Health principle: "nourishing yang in spring and summer". The key to health: nourishing the liver in spring. In spring, people often feel sleepy and sleepy, and wake up late in the morning, which is called "spring sleep" by the people. This is a normal physiological phenomenon that human physiological function changes with the seasons. March health care should be based on natural phenology and physical differences for reasonable mental, daily and dietary conditioning. When everything recovers in spring, staying up late, getting up early and walking slowly can make you feel happy and healthy. However, people in areas with low temperature in the north and large temperature difference between morning and evening should pay attention to keep warm. Spring is the high incidence season of liver diseases, so we should pay attention to nourishing and protecting the liver to prevent the epidemic of infectious diseases in spring. Diet nursed back to health: "Preserve acid, sweeten and nourish temper." The diet in spring should not only change according to the solar terms, but also consider the personal physical condition. Take "nourishing yang in spring and summer" as the main principle, that is, eat more foods that can warm and tonify yang. Nourish your temper. "Chinese medicine believes that the spleen and stomach are the foundation of the day after tomorrow. In spring, liver qi will be strong, which will hurt the spleen. Therefore, we should pay attention to eating more sweet and less sour in spring to nourish the spleen. Eat jujube, crispy rice, yam, leek, spinach, shepherd's purse, chicken, chicken liver and other sweets. Eat less sour foods, such as tomatoes, lemons and oranges. Recommended diet: yam porridge ingredients: fresh yam 100 ~ 200g, japonica rice 100g. Method: Wash yam, peel and cut into pieces, and cook with japonica rice. Function: Yam can strengthen spleen, tonify kidney and moisten lung.