Practicing longevity can practice Yijin Jing. Longevity and Yijinjing are both TCM health preserving methods. Immortality is a martial arts health-preserving exercise that uses the strong inner strength to dredge the whole body meridians through eight sets of movements, so as to make the connection of the body, bones and joints smooth, adjust some deformation and dislocation of the spine, restore its nervous system to normal, coordinate the operation of internal organs, and eliminate all kinds of evil spirits in the body, so as to achieve the purposes of balancing yin and yang, eliminating diseases, strengthening the body and prolonging life. Yijinjing can improve the functions of cardiovascular system, respiratory system and digestive system of practitioners, and has a good effect on improving balance, flexibility and muscle strength. In addition, it also has a positive impact on the mood of exercisers, which can reduce the degree of anxiety and depression. It has a positive preventive effect on middle-aged and elderly diseases.