People with yin deficiency can be understood as lack of water, and the body can't control water. For example, dry stool, sweating, and drooling during sleep.

People with yang deficiency can be understood as lack of firepower and no heat in the body. For example, the stool is thin, stuffy and afraid of cold.

Nourishing yin: Sleep can also nourish yin. Drinking some tea and eating some common leafy vegetables, such as Chinese cabbage, rape, cucumber, radish, etc., can replenish yin to a certain extent, and fish and shrimp can also replenish yin. These drugs are Liuwei Dihuang Pill, Baizhi Dihuang Pill and Zuogui Pill.

Tonifying Yang: Appropriate increase in physical activity can increase yang to a certain extent, but people with kidney deficiency should not be overworked, and some physical activity is enough. Eat, eat more hot and dry spices such as beef and mutton, pepper, ginger and pepper. Drugs include ginseng, velvet antler, cistanche deserticola, etc. Traditional Chinese medicines include Gui You Pill, Guifu Dihuang Pill and Jinkui Shenqi Pill.