Kidney deficiency is divided into kidney yin deficiency and kidney yang deficiency: the difference between kidney yin deficiency and kidney yang deficiency is that if kidney yin is material deficiency, kidney yang is functional deficiency, and material deficiency is weakness of waist and knees, dizziness and five annoyances. Traditional Chinese medicine believes that yin deficiency with internal heat, yang deficiency with external cold and kidney yin deficiency generally occur in young people.

Kidney yin deficiency can be supplemented by hashing membrane, auricularia auricula, black sesame, small walnut, etc. Kidney-tonifying drugs include Zuogui Pill and Liuwei Dihuang Pill.

Yam: It is the "top grade" medicinal material in traditional Chinese medicine, which has the functions of tonifying lung and spleen, and can also tonify kidney and replenish essence. People with kidney deficiency should eat it often.

Scallop: Also known as Jiang. Flat in nature, sweet and salty in taste, can tonify kidney and nourish yin, and those with kidney yin deficiency should eat it regularly.

Perch: Perch, also known as sea bass, is flat in nature and sweet in taste. It can not only nourish the spleen and stomach, but also the liver and kidney, and benefit the bones and muscles.

Chestnut: it is warm and sweet, which not only tonifies the spleen and stomach, but also tonifies the kidney and waist. Most suitable for people with kidney deficiency and low back pain.

Lycium barbarum: it is flat and sweet. Has the effects of tonifying kidney and liver, benefiting eyesight, strengthening bones and muscles, relieving lumbago, and prolonging life. Especially suitable for middle-aged women with kidney deficiency.