The sky has the turn of the stars, the earth has the cold to summer, nature has spring and summer growth, autumn harvest and winter storage, this is the law of nature, not to be diverted by the will of man. Man is a member of the natural world, but also in line with the harmony of heaven and earth, and should be the four changes in the four seasons, the so-called “wise man of health, must be in line with the A time and the appropriate cold and summer, and happiness and anger and living in peace. The yin and yang and adjust the rigid and soft.” Traditional Chinese medicine has always focused on the “Heavenly and human corresponding”. Therefore, according to the change of the seasons, the change of the years, timely and appropriate supplementation, for the health and longevity of people, is very necessary. This is what some people call the “seasonal view” in food therapy. Generally speaking, according to the four seasons, and take different ways to nourish. In spring, everything grows and grows, so we can use ascending tonic; in summer, it is hot and hot, people like to be cool, so it is appropriate to use clear tonic; in autumn, the climate is cool, so it is appropriate to flat tonic; in winter, the climate is cold, so it is appropriate to tonic; and in all seasons, it is appropriate to tonic. Food suitable for tonic in all four seasons, spring optional pig liver, pork, eggs, beans and soy products. Fresh vegetables such as leeks, spring bamboo shoots, pea shoots and fresh carp can nourish the middle and benefit the qi, clear the spleen and stomach, and benefit the large intestine, so it is advisable to eat more in moderation; in summer, you can choose to eat more green bean soup, lotus leaf porridge, cold bean sprouts, sugar mixed tomatoes, lily and red dates soup, watermelon and lychee; in autumn, it is advisable to eat more silver fungus, dates, honey, right nuts, walnuts, lotus seeds, cinnamon, etc.; in winter, you can choose beef, mutton, dog meat, chicken, fish, walnuts, brown sugar and other warm and hot Food. The four seasons tonic is a tonic method that can be named regardless of the seasons, which is gentle and mild.