Which two of China's ancient scientific and technological achievements were medical works?

The reasons why scientific and technological classics were not valued in ancient China were as follows: 1. Cultural tradition: The ancient Chinese cultural tradition emphasized morality, philosophy, literature, etc., while scientific and technological masterpieces were usually regarded as a relatively abstract concept, which did not conform to the concept of traditional culture. 2. The lack of science and technology: The level of science and technology in ancient China was relatively low. The content described in scientific and technological masterpieces may not be fully practiced and applied, so it was difficult to be widely valued. 3. The lack of scientific education: The lack of scientific education in ancient China and the relatively weak foundation for cultivating scientific thoughts and practice made it difficult for scientific and technological masterpieces to be deeply disseminated and promoted in ancient China. 4. Social atmosphere: In ancient China, scientific and technological masterpieces may be regarded as a more profound and difficult to understand cultural phenomenon. They lack the general recognition and support of society for scientific and technological masterpieces. 5. Political factors: In ancient China, scientific and technological masterpieces may be affected by political factors. For example, scientific and technological masterpieces may be restricted from spreading or misunderstood as political-related content, thus being suppressed and restricted by politics.

There were many outstanding scientific works in ancient China, some of which were famous: The Book of Changes was one of China's oldest philosophical classics and an important natural science work. It described the changing laws of various things in nature and had far-reaching significance for guiding people in scientific research and application. Tao Te Ching was one of the Taoist classics and one of the most important philosophical works in ancient China. It raised many views about nature and the universe, which had important implications for understanding the relationship between humans and nature. 3. The Analects of Confucius, one of the Confucian classics and one of the most important cultural works in ancient China. It recorded the words, deeds, and thoughts of Confucius and his disciples. It contained a lot of wisdom and views on natural science, ethics, morality, and governance. Mozi was one of the classics of Mohism and one of the most important natural science works in ancient China. It described Mozi's observation and research on nature and put forward many theories and perspectives on physics, chemistry, biology, and so on. 5. Da Xue: It is one of the Confucian classics and one of the most important philosophical works in ancient China. It put forward the idea of "understanding things to obtain knowledge", which was to obtain and improve knowledge through studying nature and human society. These are just a small part of the many scientific works in ancient China. They have made important contributions to the development of ancient Chinese and world science.

The famous scientific and technological masterpieces and famous scientific instruments in ancient China included: The Book of Changes: Ancient Chinese philosophical classics contain knowledge related to mathematics, astronomy, geography, and humanities. " Spring and Autumn Dew ": Ancient Chinese science and technology masterpiece was considered to be the earliest science and technology encyclopedia in China. It mainly talked about knowledge in Meteorology, Geology, Biology, Chemistry, and so on. 3. Zhuangzi: Ancient Chinese philosophical classics contain knowledge related to mathematics, astronomy, geography, humanities, and so on. Han Feizi: Ancient Chinese philosophical classics contain knowledge about mathematics, astronomy, geography, and humanities. Mozi: Ancient Chinese philosophical classics mainly talked about physics, chemistry, biology, military and other aspects of knowledge. 6 " Notes on Water Classics ": Ancient Chinese geographical classics recorded the geography, topography, and geological conditions of many rivers and lakes. 7. Records of Ancient Chinese Instruments: Records of Ancient Chinese Instruments recorded the types, production, uses, and historical backgrounds of many ancient instruments. 8 Arabian Astronomical Table: The ancient Arabian Astronomical Table was one of the earliest astronomical instruments and had an important impact on the development of astronomy in the world. 9 Elements: The ancient Greek mathematical classics were the foundation of Ethereal geometry and had an important impact on the development of modern mathematics and physics. 10 " Three-Body ": Liu Cixin's science fiction novel described the contact and conflict between the Earth and the Three-Body Civilization. It contained many scientific concepts and theories about astronomy, physics, and cosmos.

There were many famous scientific and technological works and famous scientific instruments in ancient China. The following are some of them: 1 << Spring and Autumn >>: The history books of the Spring and Autumn Period and the Warring States Period recorded the scientific and technological achievements of the Spring and Autumn Period. It recorded that China had invented the world's earliest scale with the lever principle, as well as the Gong Gong who used water power to propel ships. The Book of Changes: The Book of Changes is an ancient philosophical classic that also contains a lot of scientific and technological knowledge. For example, in the Book of Changes, it was mentioned that the idea of "a gentleman who is vigorous in nature should constantly strive for self-improvement" expressed that humans should maintain a humble and diligent attitude in front of nature. Mozi: Mozi was a philosopher and scientist in ancient China. He put forward many ideas and theories about science and technology. Among them, the most famous was the idea of "universal love" and "non-aggression", which expressed the pursuit of peace and justice for mankind. Han Feizi was a philosopher and scientist in ancient China. He put forward many ideas and theories about science and technology. The most famous one was Legalism, which emphasized the importance of law to the development of science and technology. 5 " Lu's Spring and Autumn Annals ": Lu's Spring and Autumn Annals was an ancient philosophical classic that also contained a lot of scientific and technological knowledge. For example, in the Spring and Autumn Annals of the Lu family, it was mentioned that "the weather is unpredictable, and people will have misfortune and fortune". The idea expressed that humans should maintain a cautious and vigilant attitude in the face of nature. In addition, there were many famous scientific and technological works and famous scientific instruments in ancient China, such as Guan's Peeping Leopard, Tiangong Kaiwu, and History of Chinese Science and Technology.

A " Spring and Autumn " and " Zuo Zhuan " did not belong to the same field. They were historical works that recorded the historical events and figures of the Spring and Autumn Period.

Song Yingxing's Dream Stream Pen Talks was a comprehensive scientific and technological work in ancient China. It was written in the middle of the Ming Dynasty by the Chinese scientist Song Yingxing. Dream Creek Pen Talks was a book that covered a wide range of scientific works, including astronomy, geography, physics, chemistry, biology, medicine, agriculture, military, and many other fields. Song Yingxing elaborated his scientific knowledge and insights in this book, and analyzed and explained many natural phenomena. Dream Creek Pen Talk was regarded as a masterpiece of ancient Chinese science and technology. It had a profound impact on the development of ancient Chinese science and technology, and also provided an important reference for later scientific and technological research.

China's four classical scientific and technological masterpieces referred to the Book of Changes, the Classic of Difficulties, the Medical Guide, and the Compendium of Materia Medica. These four works were all important documents related to science and technology in ancient Chinese culture and were hailed as the cornerstone of Chinese science and technology culture. They covered a lot of scientific and technological knowledge, such as Yin and Yang, the five elements, weather, medicine, agriculture, etc. They had an important impact on the development of science and technology in ancient and modern China.

The scientific achievements of ancient China were rich and colorful. The following are some of the important ones: Compass: The compass invented in ancient China is one of the earliest navigation tools in human history. It can help ships, trains and other transportation tools find the direction. 2. Paper making: Paper making was one of the most important inventions in ancient China, which greatly promoted the development of written culture. The earliest paper appeared in the Han Dynasty and gradually spread. Gunpowder: Gunpowder was invented in ancient China and was originally used for military purposes. Later, it gradually developed into civilian products such as fireworks and firecrackers. 4. Movable-type printing: Movable-type printing was one of the most important inventions in ancient China and the pinnacle of printing technology in human history. The invention of this technology greatly improved the printing speed and quality of books. Astronomy: Ancient Chinese astronomy had a long history and made important contributions to the observation and prediction of astronomical phenomena. For example, ancient Chinese people had accurately predicted the appearance of comets and proposed the conjecture that comets were gifts from aliens. 6. Geography: The ancient Chinese geologists studied the Earth's structure, topography, climate, etc. and put forward many valuable insights. For example, the ancient Chinese once proposed the theory that the Earth was round. The scientific achievements of ancient China played an important role in the history of mankind and made important contributions to the development of human civilization.

Ancient medical works include many classic works, some of which are famous: << Yellow Emperor's Internal Classic >>: It is considered to be the foundation of Chinese medicine. It contains the basic concepts and theoretical system of Chinese medicine theory. "Nan Jing": It is a medical classic about the diagnosis and treatment of diseases and is considered the Bible of Chinese medicine. 3." On Typhoid and Various Disease ": It was the representative work of Zhang Zhongjing, a famous doctor in the Tang Dynasty. It contained a large number of diagnosis and treatment methods for internal medicine, surgery, pediatrics, and other diseases. 4. Synopses of the Golden Chamber: It was the masterpiece of Zhang Zhongjing, a famous doctor in the Song Dynasty. It contained a large number of diagnosis and treatment methods for internal medicine, surgery, pediatrics, and other diseases. 5. Medicine Zhongshen: It was the masterpiece of the famous doctor Wu Jutong of the Ming Dynasty. It was hailed as the "ancestor of Chinese medicine" and contained the core knowledge and prescriptions of Chinese medicine theory. Compendium of Materia Medica: It was the representative work of Li Shizhong in the Ming Dynasty. It was a comprehensive medical work that contained a large number of diagnosis and treatment methods for diseases such as plants, animals, and minerals. These ancient medical works had made great contributions to the understanding of human health and diseases, and had a profound impact on the development and inheritance of traditional Chinese medicine.

In addition to the four great inventions, ancient China also made many other important scientific and technological achievements that had a major impact on the development of world civilization. Here are some examples: 1. Compass: The compass invented in ancient China can be traced back to the Han Dynasty. It can be used to indicate the direction to help navigation and exploration. The invention of the compass allowed humans to explore the ocean and the surrounding world more accurately, which had a profound impact on global navigation and geographical exploration. 2. Paper making and printing: In ancient China, paper making and printing were invented in the Tang Dynasty and Song Dynasty respectively, which allowed paper to be produced and promoted on a large scale, making books and information easier to spread and exchange. The invention of paper-making and printing had a profound impact on the communication and spread of global culture, commerce, and academia. Gunpowder: The earliest gunpowder in ancient China could be traced back to the Tang Dynasty. It was a red powder used in military and fireworks manufacturing that could cause a huge explosion. Gunpowder was widely used in military and fireworks manufacturing in Chinese history, which had a profound impact on the development of military and fireworks manufacturing in the world. Brocade weaving techniques: The ancient Chinese brocade weaving techniques were very advanced, creating many exquisite fabrics such as silk and brocade. These fabrics were not only used for decoration and wear, but also for military and commercial purposes, which had a profound impact on global trade and textile production. These scientific and technological achievements of ancient China not only promoted China's own development and progress, but also had a profound impact on the development of world civilization.