The time you can recover from kidney deficiency. It takes at least 3 months to recover from kidney deficiency. Kidney deficiency refers to the deficiency of kidney essence and yin and yang. Kidney deficiency is mainly divided into kidney yin deficiency and kidney yang deficiency. The most common of them are kidney yin and kidney yang deficiency. The symptoms of kidney yang deficiency are lumbar pain, cold limbs, coldness, and even edema, which means that it manifests itself as a "cold" symptom, and poor sexual function can also lead to kidney yang deficiency; the symptoms of kidney yin deficiency are "heat", which mainly include lumbar pain, dryness and heat, night sweating, weak sweating, and dizziness, Tinnitus and so on. It is best to go to the hospital for a checkup and use traditional Chinese medicine for targeted treatment. Kidney yang deficiency can eat dog meat, mutton, leeks, loach to dietary supplements, kidney yin deficiency can eat hash film, black fungus, black sesame, small walnuts and other dietary supplements.