Singing often is a good exercise method, which can make people feel refreshed, get rid of troubles and rejuvenate. Singing often is good for the elderly. Singing for health is not a myth, nor is it groundless, but it has scientific basis. Zhang Jingyue, an ancient physician, wrote in The Analects of Confucius? Fayuan's Medical Works points out that "the miraculous things of twelve laws in music can connect heaven and earth with gods" and discusses that music can play a role in health preservation and rehabilitation through psychological effects. The size and speed of breathing in singing are adjusted according to the different changes of song tone, length, strength, timbre and melody. With the different changes of words, intonation, rhyme and quotation in singing, human organs will be in different States. At the same time, sound makes human organs produce different * * * sounds and * * * vibrations. Different words and rhymes will benefit people's heart, liver, spleen, lung, kidney, diaphragm, ear, nose, throat, mouth, brain, bladder, triple energizer and viscera. Modern medical research shows that the speed, melody and rhythm of music can adjust the rhythm of life. Because music can affect people's physiological activities, especially emotional activities, people can use music to improve and adjust the physiological and psychological functions of the human body, so as to achieve the purpose of improving health. Research by researchers at Frankfurt University in Germany shows that singing can stimulate the production of antibodies and protect the upper respiratory system from infection. The person in charge of this study said: Singing, meditation and walking have positive effects on health. Volfram, Professor of Medical College of Shalitai University? Sedna said that people who often sing can improve their breathing, increase their circulatory system and adjust their bodies to a "balanced and energetic" state. Modern music therapy regards music as an activity therapy, that is, through specific music activities to obtain therapeutic effects. Dance is an external action, but it can change the internal state and play an active role in psychotherapy. Studies have found that dance can regulate people's emotions, reduce anxiety and enhance brain flexibility. Some psychologists have pointed out that no matter whether you dance beautifully or keep up with the rhythm, as long as you participate, bad emotions will stay away from you. Whether it is traditional folk dance or modern dance, all kinds of dances can improve oxygen supply to the brain, exercise muscles and produce pleasant chemicals, including neurotransmitters that can enhance mood, endorphins that can enhance satisfaction and euphoria, and enhance pain tolerance. Neuroscience experts at the University of Tampa in the United States said that dancing can strengthen the neural connections in the brain, improve emotional and cognitive abilities, and make the brain more flexible and creative. This is because dancing can make brain cells produce protein, stimulate the growth of new neurons and make the brain more flexible. Dance is an art of expression, which allows people to deal with some subconscious emotions and vent their emotions through improvisation. Dancing to music can also activate the neural pathways in the brain responsible for producing pleasant feelings. A professor at new york University observed that human beings like the fixed order, form and rhythm of dance movements and get satisfaction from them. Research shows that dancing has many benefits to people's psychology, including calming people down, improving their mood, enhancing their sense of satisfaction and control, and the effect is better than ordinary exercise. Experts from the American Dance Therapy Association said that the joy expressed by dancing can be passed on to others, thus strengthening interpersonal relationships. People who dance together will have synchronous movements and feel mutual support. So dancing to relieve stress is also a good choice for the elderly.