Abstract： This paper expounds the significance of applying music therapy to self-mental health care under the guidance of Chinese medicine theory of treating disease before it arises，as well as the of music therapy in the prevention and treatment of emotional diseases. It also puts forward specific methods of music intervention in different stages of non-illness，tendency to illness，illness and recovery according to yin-yang and five phase theory. It proposes the new concept that "everyone can become their own music therapist" and promotes the application of music therapy in self-mental health care to play a greater role in the "Healthy China Initiative".