In Neijing, the oldest medical classic in China, how to preserve one's health in the changes of spring, summer, autumn and winter throughout the year has been described, such as "In spring and March, I lie at night and get up early, and stride in the court. In Xia San, I lie down at night and get up early, and have fun with chickens in winter and March. If you go to bed early and get up late, you must wait for the sun. " . This reminds people that in order to live a long and healthy life, we must follow the laws of nature and arrange our daily life with the changes of seasons. ?

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? Spring: According to Chinese medicine, the day before long summer in beginning of spring is March, and the third month of spring is the season of hair growth. The weather turns from cold to warm, the east wind relieves the chill, spring rises, and all kinds of creatures in nature germinate and develop, abandoning the old and welcoming the new. ? People should go to bed early and get up early, take a walk in the yard, exercise properly, and pay attention to warm exercise to adapt to the spring air.

Summer: Chinese medicine believes that summer is the season when people's hearts are strong and their lungs are weak, so they should go to bed late and get up early. Bitter taste belongs to the heart and spicy taste belongs to the lungs, so you should eat some spicy food in summer. Although the weather is hot, don't be greedy for cold. When sleeping, cover your abdomen with a quilt to avoid catching cold and diarrhea. Avoid the invasion of moisture in rainy season and change clothes in time. Always massage Yongquan point on the soles of your feet, and don't go barefoot to avoid moisture invading from the soles of your feet. ?

Autumn: Traditional Chinese medicine believes that it is March from beginning of autumn to beginning of winter, when the yang is weak, the yin is cold and the scenery is depressed, so health preservation should follow. ? You should go to bed early and get up early in autumn, which is very beneficial to your health. Eat less spicy food and more sour food. When the temperature drops, you should add clothes in time to avoid catching cold. Chinese medicine believes that when the yang is restrained and the yin is abundant in autumn, people should make peace with the autumn and keep the yin essence in the body to prevent the will from exceeding and prevent the house from hurting the kidney. Winter: Go to bed early and get up later in winter. Winter is the season when kidney-qi is strong and heart-qi is weak. Salty taste belongs to the kidney, so eat less. Try to avoid eating greasy and indigestible food baked by moxibustion. Keep your abdomen and feet warm. The indoor temperature should not be too high, otherwise it is easy to catch cold when going out. ?