Patients with poor kidney function are mainly caused by the following two reasons: First, consider the exogenous factors, due to external violence damage or taking drugs that have damage to kidney function, resulting in damage to kidney function. For kidney damage caused by external violence, timely symptomatic treatment is needed, and the need for surgery will be judged after CT examination. Second, consider the factors of internal causes, mainly suffering from various diseases, including urinary stones, urinary tuberculosis, urinary tract infection, urinary tumors, hypertension, diabetes, resulting in kidney glomerular lesions, which will lead to impaired kidney function and kidney failure over time. Patients with bad kidney need to go to the hospital in time to identify the cause of the disease, the cause of treatment to avoid delays in treatment, usually appropriate exercise to enhance the body’s immunity.