Pay attention to nourishing and protecting the liver in spring. Liver is similar to vegetation, it germinates and grows in spring, and its function is also active in spring. In spring, the yang in nature begins to rise, so it is necessary to adjust people's emotions and prevent internal heat from rising. Avoid rage and depression and try to control anger. The weather in early spring is cold, dry and short of water. People should drink more water to enhance blood circulation, eat more vegetables, radishes and fruits, and eat less greasy and spicy food. In spring, they should pay attention to keep warm, that is, cover them in spring to prevent catching a cold.