Zheng Gankun, teacher of Xiaohe in Shiqing School, is the students' favorite lecturer. Graduated from Capital Medical University and studied in xuanwu hospital. Before and after, I worked in a foreign company in the top 500 surgical instruments and food enterprises with the same origin of medicine and food, and accumulated rich medical and commercial experience.

Shiqing School is a comprehensive Internet sharing platform focusing on health and health knowledge. Its original purpose is to gain insight into the current situation of the aging era and provide comprehensive health knowledge popularization and health services for middle-aged and elderly people.