Abstract
I will explain the following matters from the standpoint of Cultural History of Mathematics .
1. The short history of the Elements of Euclid in China.
2. Emperor Kangxi's enthusiasm for mathematics and astronomy.
3. Mathematical perspective in Jiao Bingzhen, Nian Xiyao and G.Castiglione.
4. Porcelain of Jingdezhen in the time of Emperor Kangxi and Emperor Yongzheng. And the role of Emperor Kangxi, Nian Xiao and Castiglione in the porcelain of Jingdezhen.
5. How did the porcelain of Meissen reach to the level of that of Jingdezhen. The dolls of Meissen.