Scientific research has proven that beautiful, relaxing, pleasant, and lyrical music spread to human ears can stimulate the brain nervous system and stimulate the body to secrete some biochemical substances that are beneficial to physical and mental health, such as hormones, enzymes, and bile acetate. Alkali etc. It has the functions of pleasing the body and mind, eliminating fatigue, lowering blood pressure, helping digestion, improving circulation, and increasing blood flow. It also helps restore a new balance to unbalanced thinking, so it is known as the "invisible fitness drug". Many countries often play the music of Mozart, Beethoven and other musical masters in hospital and airport waiting rooms to relieve people's nervousness while waiting and waiting. This shows that music can play a role in buffering and relaxing abnormal psychology such as anxiety, irritability, impulsivity and disorder caused by tension, and is beneficial to maintaining physical and mental balance. Music not only maintains health but also heals illnesses. Music therapy uses the balancing effect of music's melody, rhythm and timbre to enable people to have a pleasant emotional experience, gradually form a stable psychological state, promote psychological balance, and thereby achieve the purpose of treatment and health care. Many experts and scholars have gradually clarified this mechanism.

At present, "music therapy" that uses different music to treat diseases has been widely used. Practice has shown that playing soft music to surgical patients or mothers who are about to give birth can reduce pain. Let patients with high blood pressure often listen to some soft songs, which will help their blood pressure drop smoothly. Insomniacs listen to soft, low-volume serenades, which can make people dream in advance. Playing happy songs to babies while shaking blue can promote language and intellectual development. “Music and medicine have always been and continue to be inseparable,” said Dr. Richmond of the United States. This is a profound summary. Music is an indispensable companion to life, health and longevity.