Patients with kidney yin deficiency can eat more black food in their daily diet, because Chinese medicine believes that the five colors enter the five internal organs, and black food enters the kidney, which has the effect of tonifying the kidney, such as black beans, black fungus, black sesame, etc. In addition, we also need to eat more food to nourish yin and kidney, such as yam, dendrobium, polygonatum odoratum, duck meat, tremella, pear, etc. In serious cases, patients can choose some traditional Chinese medicines to nourish yin and kidney, such as Liuwei Dihuang Pill, Dabuyin Pill, Zhibai Dihuang Pill to recuperate, and choose appropriate drugs after the guidance of TCM syndrome differentiation and treatment. Patients should pay special attention to maintaining the law of life and rest, Can't stay up late, because staying up late hurts Yin Qi most.