There are various ways to maintain the health of the middle-aged and the elderly, mainly including diet, sleep, exercise, Chinese medicine and other methods of health maintenance. 1. Dietary regimen: Diet should be diversified and as comprehensive and nutritious as possible. Do not eat cold, greasy, spicy food, including watermelon, pears, bananas and other cool fruits and cold vegetables. Eat light, less oil and salt, less chili, mustard and other condiments. 2. Sleep: Follow the four seasons of weather, go to bed early and get up late in winter, and go to bed early and get up early in summer. Ensure that you get enough sleep, and take a 1-hour nap at noon to nourish your mind. 3. Exercise: Strengthen physical exercise, daily walks, jogging or tai chi and other fitness activities, but also pay attention to the moderation of labor and leisure. 4. Traditional Chinese medicine: you can use suitable traditional Chinese medicine to make soup or tea under the identification of a Chinese medicine practitioner. Chinese medicine must be used under the guidance of a Chinese medicine practitioner’s diagnosis, do not use your own medication, so as not to cause adverse consequences.