In the long summer, it's time for divination. The change in nature is that the yang is getting longer and the yin is getting weaker. Compared with human viscera, the liver is getting weaker and stronger. At this time, the dietary principle is to increase acid and reduce bitterness, tonify kidney and help liver, and harmonize stomach. At this time, the diet should be light, low in fat, easy to digest, rich in cellulose, and eat more fruits and vegetables and coarse grains. Usually you can eat more fish, chicken, lean meat, beans, sesame, onion, millet, corn, hawthorn, loquat, bayberry, cantaloupe, peach, papaya, tomato and so on. Eat less animal viscera and fat, and eat less salty food such as salted fish and pickles.

Mental health should also pay attention to "rest" in the long summer. After a long summer, people get excited easily. Therefore, in the long summer, we should "avoid anger and rashness", avoid exultation and great anger, keep quiet, cheerful, relaxed and happy, and always smile. You can also do more quiet cultural and sports activities, such as painting, fishing, calligraphy, playing chess, planting flowers and so on.

After long summer exercise, with the temperature rising, people are prone to sweat, and "sweat" is the liquid of the heart. In the long summer, we should be careful not to sweat excessively. Drink warm water properly after exercise and replenish body fluids. In the long summer, don't choose too intense sports, but choose relatively peaceful sports, such as Tai Ji Chuan, Taijijian, walking and jogging.

Spring is the season of respiratory infectious diseases. The elderly have poor immunity and are susceptible to infection. During the epidemic period, the elderly should not frequently go in and out of crowded public places. Rinse your mouth with light salt water every day, or eat a few cloves of raw garlic, or smoke vinegar indoors to prevent diseases.

Spring is the season of respiratory infectious diseases. Because of poor immunity, it is easy to be infected. During the epidemic, don't frequently go in and out of crowded public places. Rinse your mouth with light salt water every day, or eat a few cloves of raw garlic, or smoke vinegar indoors to prevent diseases.

People tend to get sleepy in spring, and some people have the habit of staying up late. Chinese medicine believes that lying down for a long time will hurt your breath. Sleep too much, lie down if you are not sick. Because lying down for a long time will cause metabolic decline, malnutrition, poor blood circulation, stiff bones and muscles, and weak body. So in spring, you should go to bed early and get up early, usually sleeping for eight hours every day.

Spring is a good time to go out and participate in fitness activities. Often go to outdoor activities, you can enjoy breathing fresh air and enhance heart and lung function; Sunlight can also kill skin bacteria and viruses and enhance human immunity.

The weather in spring is changeable, hot and cold. Therefore, don't take off your cotton-padded clothes too early, but cover them properly for a period of time so that all parts of your body can adapt, so as to prevent catching a cold and avoid the risks of pneumonia, emphysema and pulmonary heart disease.