Diet is a part of the connection between the human body and the outside world, and there are corresponding food types to choose from in different seasons. Therefore, the diet should be different with the changes of the four seasons, and it is also a university question to find food suitable for health preservation.

1, spring diet nourishing TCM health science points out: "In spring, it is appropriate to change the taste into sour and sweet to nourish the temper." The so-called sour and sweet is to eat less sour food and more sweet food in spring. In addition, in spring, the spirit of the sun will grow, such as onions, sunflowers, wheat, black beans, dates, peanuts and so on. You can choose your diet to help yang, but you should not eat spicy products.

2, feeding in summer, the body's digestive function is weak, it is best to eat less greasy and thick food, should eat light and digestible food. Watermelon has a good effect of relieving summer heat and can be eaten more; Mung bean soup can prevent heatstroke, so drink it often. Summer is the peak season for vegetables. Eating more tomatoes, cucumbers, lentils, lettuce and eggplant is good for your health. The hot and humid climate in summer is very suitable for the growth and reproduction of bacteria, and food is very perishable. Therefore, we must pay attention to food hygiene in summer, do not eat spoiled food, do not drink raw water, and do not wash raw fruits and vegetables. Eat more garlic in midsummer to prevent gastrointestinal diseases.

3, autumn health in autumn, a large number of fruits and vegetables listed, we should pay special attention to prevent "autumn melon rotten belly." No matter watermelon, cantaloupe or cantaloupe, you can't eat more. The climate in autumn is dry. In order to avoid the invasion of dryness and evil, the diet should be adjusted to prevent dryness and protect yin, nourish yin and moisten lungs, and eat more soft foods, such as sesame, dairy products, glutinous rice and honey.

4, feeding in winter, the climate is cold, you should eat more warm food, such as dog meat, mutton and so on. In condiments, you should eat more spicy things, such as pepper, pepper, onion, ginger, garlic and so on. There are not many varieties of vegetables in winter, so try to eat more green vegetables, such as green vegetables, rape, spinach, lettuce and so on.