Professor Liu Jingxian has been a doctor for more than 30 years and has accumulated rich clinical experience. After busy work, she gives lectures everywhere, teaching people all kinds of health care knowledge, and does not forget to write and write. This book "Differentiating Physical Fitness" is Liu Jiaoshou's favorite work. The book explains the wisdom of body health care in Huangdi Neijing and various methods of body health care in life in a simple way. As long as it is used reasonably, people can keep healthy. In the long run, prolonging life will no longer be a dream. This is a healthy all-round health care book, which is worth learning and using.