Sun Simiao named his medical work Qianjin Fang because it was an important medical work written by Sun Simiao during the Tang Dynasty and was regarded as a classic work of ancient Chinese medicine. According to legend, Sun Simiao was a famous doctor and pharmacist in the Tang Dynasty. His book, Qian Jin Fang, was a comprehensive work covering medicine, Chinese medicine, acupuncture and many other aspects, aiming to provide people with comprehensive medical knowledge. Therefore, the reason why Qian Jin Fang was called "Qian Jin Fang" was because the contents contained in it were extremely precious and of great value to people's medical care. At the same time, the word "prescription" also represented the professionalism and authority of the Thousand Gold Formula, implying that Sun Simiao's Thousand Gold Formula was a very professional medical work. Qian Jin Fang had an important influence and value in the history of China. It was regarded as a classic work of ancient Chinese medicine and one of the important documents in the history of medicine in the world.