Kidney deficiency is categorized into kidney qi deficiency, kidney yin deficiency and kidney yang deficiency, which can be supplemented by diet, medicine and acupuncture, etc. There is no such thing as the best, and its effects vary from person to person depending on the condition. In terms of diet, patients with kidney qi deficiency can take some food that replenishes kidney qi, such as yam. If the symptoms of kidney qi deficiency are serious, the patient can take Dajianyuan Decoction to tonify the kidneys and benefit the qi under doctor’s guidance. The adverse reactions or contraindications of Da Tonic Yuan Decoction are not clear. In terms of diet, patients with kidney yin deficiency can take wolfberry, mulberry and other foods that can nourish kidney yin, and avoid eating spicy and stimulating products. If the symptoms of kidney yin deficiency are serious, you can take Zuo Gui Pill, Liu Wei Di Huang Pill and other drugs to nourish yin and tonify the kidneys under the guidance of a doctor. It should be noted that people with diarrhea due to spleen deficiency (diarrhea caused by a weak spleen) should not take Liu Wei Di Huang Wan. Adverse reactions or contraindications to Zuo Gui Wan are not known. In terms of diet, patients with kidney yang deficiency can take leeks and other foods that warm kidney yang (warming and replenishing kidney yang). If the symptoms of kidney yang deficiency are severe, medications such as Jin Gui Ren Qi Pills can be taken under the guidance of a doctor to warm the kidneys and support yang (warming and replenishing the yang energy of the kidneys). Adverse reactions or contraindications to Jin Gui Ren Qi Pill are not known. If manifestations of kidney deficiency occur, consult a physician and follow medical advice for treatment.