Blue and white porcelain appeared in the Tang and Song Dynasties(1400 years ago), but its production was still immature. By the Yuan Dynasty(1000 years ago), the manufacturing technology of blue and white porcelain was already very mature. It is still white in Yuan Dynasty, so it is mainly carved and decorated with natural color porcelain. The blue and white flowers in the Ming Dynasty are characterized by implicit elegance, which is a kind of natural beauty and ideal beauty. Blue and white flowers in Qing Dynasty are the most delicate . Blue and white porcelain is the perfect combination of politics, society and culture, which confirms the characteristics and glory of each era. After several generations of historical precipitation and accumulation, the manufacturing process of blue and white porcelain has become more refined.