Life lies in exercise. As long as we can exercise diligently anytime and anywhere, it will always be of great benefit to our health. It is important to choose a sport that suits you. You should have both your hobbies and your physical conditions. Table tennis is a good sport for all ages, and it is widely used in daily life. Many communities, streets and schools have table tennis tables for people to play with. For middle-aged and elderly people: When playing table tennis, both sides use a variety of tactics. One of the characteristics of table tennis that distinguishes it from other ball games is that individuals can fight independently, which can better exercise one's thought, style, will, perseverance and wisdom. Table tennis lovers all have this experience. After intense work and study, they will sweat after playing table tennis for a while. They have a unique sense of comfort, which is followed by uplifting spirit and exuberant energy. When they work the next day, they feel relaxed and clear-headed. Therefore, table tennis is more suitable for white-collar workers who stay in the office all day and middle-aged and elderly mental workers who need high concentration. For the elderly: Compared with Alzheimer's disease, table tennis is the fastest of all ball games. Because the ball is small and light, and the offensive and defensive changes quickly, athletes are required to make accurate judgments and reactions to the changed ball in the shortest time (generally less than half a second), and quickly move their feet, or wipe or cut, or hit or pull, to swing the ball out. This emphasis on technology, tactics and thinking can well exercise the reaction ability of the elderly and the sensitivity of the human brain to the surrounding things. Therefore, playing table tennis can prevent Alzheimer's disease, delay cerebral arteriosclerosis in the elderly and maintain good thinking and memory.