Kidney deficiency refers to the deficiency of kidney essence, including kidney yin deficiency and kidney yang deficiency, different deficiencies, men will show different symptoms, mainly including systemic symptoms and sexual function symptoms, can be used to regulate the use of tonics for the kidney. 1, kidney yin deficiency: patients may appear impotence, premature ejaculation, or hypersexuality, strong Yang does not fall (penis raised but not impotent) and other sexual function symptoms, may also appear The patient may also experience generalized heat deficiency such as fever in the heart of the hands and feet, weakness in the lower limbs, irritability, loss of body weight, insomnia and night sweating. This kind of patients can take medicine such as Liu Wei Di Huang Wan and Zhi Bai Di Huang Wan under the guidance of doctor for treatment; 2. Kidney Yang deficiency: it can be manifested as mental weakness, fatigue, weakness of waist and knees, cold limbs and other symptoms, also may appear tinnitus, hearing impairment, memory loss and other symptoms, sexual function will appear to have a reduced libido, premature ejaculation and so on. In addition, patients may be prone to prostatitis, scrotal contraction, testicular distension and pain. Patients with kidney yang deficiency can take Jisheng Kidney Qi Pill, Jin Kui Kidney Qi Pill and Right Return Pill for treatment as prescribed by the doctor. In addition, if kidney deficiency leads to other complications, treatment should be carried out accordingly according to the complications. Daily life can be regulated by consuming foods that nourish Yin and tonify the kidney, such as black sesame, wolfberry and mutton, but the food cannot play a medicinal function and can only be used as an auxiliary treatment.