Yougui Pill is a medicine taken in winter. Normally eating it will cause internal heat. In winter, the human body's yang energy converges, so you won't get angry after eating it. In normal seasons, yang energy is emitted, and you will get angry after eating. Guifu Dihuang Pills from Tongrentang is good. It mainly treats cold spleen and stomach, cold hands and feet, and brings fire back to the source. It also mainly treats cold cough. The cause of cold cough is the spleen. For cold cough, use Liuwei Dihuang Pills first, and then after the meal intake increases and there is no bloating, use Guifu Dihuang Pills. If there is bloating, you can still take Liuwei Dihuang Pills to relieve the bloating. People first have Yin deficiency, and then Yang deficiency. First, take Liuwei Dihuang pills to replenish yin, no more than 3 boxes a month, all of which are large pills. After taking effect, you can stop taking it. If you eat normally and have no spleen disease, you can take Zuogui Pills to replenish yin deficiency. Zuogui Pills simply replenish yin deficiency and seek yang from yin without replenishing yang. Eating yang supplements in winter is mainly for health. Don’t think that medicine for yin deficiency is for women. You must know that Yin is deficient first and then Yang is deficient. They are all Tongrentang brands. If you are afraid of the cold in winter, you can take Guifu Dihuang Pills. After eating, your body will feel warm.