Huiren Kidney Tablet can harmonize yin and yang, warm yang and tonify the kidney, support the righteousness and consolidate the root, and is suitable for symptoms such as soreness in the waist and legs, mental discomfort, frequent night urination, fear of cold and so on. It is a kidney Yang medicine, generally not suitable for kidney Yin deficiency patients to take, otherwise it will have the opposite effect. However, it can be taken under the guidance of a professional doctor, together with Liu Wei Di Huang Wan, the combination of the two drugs has the effect of harmonizing the balance of yin and yang. The kidney deficiency is divided into two categories: kidney yang deficiency and kidney yin deficiency. Kidney yang deficiency refers to the weakness of the body due to the lack of yang energy, mainly manifested as fear of cold, while kidney yin deficiency is manifested as weakness of the legs, dizziness and tinnitus, insomnia and dreaminess, thinning of the body, hot flashes and night sweats.