Blue and white porcelain was a very special type of ceramic art known for its delicate paintings and exquisite patterns. It was usually depicted as beautiful flowers, people and animals, and some poetic scenes. Blue and white porcelain originated in China and reached its peak during the Ming Dynasty. After that, it gradually spread. The production process of blue and white porcelain was very complicated. It needed to go through many processes, including washing, screening, washing, selection, blank making, painting, firing, and many other links. Because the production of blue and white porcelain required a very high level of skill and material quality, it usually took a long time to be successfully fired. Answer: Blue and white porcelain is a special kind of ceramic art known for its delicate paintings and exquisite patterns. Blue and white porcelain originated from China and reached its peak during the Ming Dynasty. After that, it gradually spread. The production process of blue and white porcelain was very complicated. It needed to go through many processes, including washing, screening, washing, selection, blank making, painting, firing, and many other links. Because the production of blue and white porcelain requires a very high level of technology and material quality, it usually takes a long time to fire to succeed.