Kidney yin deficiency is a Chinese medicine evidence type, nephritis is a western medicine disease name, they belong to different medical systems, whether kidney yin deficiency will develop into nephritis need to be judged according to the actual situation, nephritis may have symptoms of kidney yin deficiency. Kidney yin deficiency is the category of traditional Chinese medicine, which is mainly due to the deficiency of kidney yin and fluid, which is mainly manifested as five heart heat (heat in the hearts of the hands and feet, and self-consciousness of the heart and chest), hot flashes (a burst of heat), etc. Kidney inflammation is the category of western medicine, which is mainly due to the deficiency of kidney yin and fluid. Nephritis belongs to the category of western medicine, which is kidney damage caused by infection, drugs and other factors, mainly manifested as edema, urinary protein and other symptoms, kidney yin deficiency usually does not develop into nephritis. However, nephritis may show signs of kidney yin deficiency, such as back pain and leg weakness, five heartburn, insomnia and other symptoms. Kidney yin deficiency and nephritis should be actively consulted in regular hospitals and correctly standardized diagnosis and treatment, so as not to delay the condition.