In recent years, the term “heath preservation” is very popular in Chinese. That is because Chinese people attach more importance to their health preservation. The term “health preservation” refers to taking good care of health in line with the thoughts of Traditional Chinese Medicine(TCM). It usually refers to taking good care of the body through diet, exercise, etc. Yellow Emperor’s Canon of Medicine is the oldest existent medical classic in China, and one of the four great classics of TCM. It was written in the Spring and Autumn Period and the Warring States Period (770B.C.-221B.C.). Today, let’s learn the health preserving thoughts in Yellow Emperor’s Canon of Medicine together.