Musical instrument performance is comprehensive in training people's abilities of seeing, hearing, touching and moving, that is to say, in the process of playing, the response of finger touching and moving should be consistent with the visual grasp of various symbols and dynamics of music score, while hearing immediately tests the accuracy of these three, which is a process in which multiple sensory organs react, cooperate and coordinate their actions at the same time. Frequent use and agility of the left hand can greatly promote the development of the right hemisphere of the brain, improve the ability of the brain to store and transmit information, and improve the speed and capacity of the thinking path. Hand movement is very beneficial to improve the excitability of the whole cerebral cortex and promote the development of two cerebral hemispheres. At the same time, because playing is the regular and rhythmic coordination of many sensory organs, it can promote the balanced development of various tissues and organs, especially for the development of intelligence. This kind of influence is long-term, subtle, and the effect is extremely remarkable. Playing musical instruments will also consume a certain amount of calories, increase the body's metabolism, promote the body's metabolism, improve the function of cardiovascular and cerebrovascular diseases, and reduce the possibility of hypertension, heart disease and diabetes. When you put your heart and soul into playing, your nerves will become tense, but after playing for a while, you will immediately relax. Such a loose and tight cycle can stimulate your self-discipline and relieve your body and mind. When you are upset, you can't get rid of depression. But as soon as I entered the piano room, came on stage and picked up the instrument, I soon felt much more relaxed. Immerse yourself in the artistic conception of performance and enjoy the beauty brought by art, so as to get rid of the psychological bondage and make yourself feel relaxed and happy. Can you not prolong life? For your health and longevity, please play your beloved instrument at once! Enjoy playing musical instruments.