Generally speaking, bad kidney will not cause hidden pain in the stomach. Kidney belongs to retroperitoneal organ and is an organ for urination and detoxification. There are many factors that cause bad kidney, such as environmental factors, dietary structure factors, overeating, overeating, drinking a lot of alcohol, serious smoking or frequent colds, all of which may cause bad kidney. If the kidney has problems, its main manifestations are abnormal urination, soreness and weakness in the waist, etc. The most typical symptoms are abnormal urination, soreness and weakness in the waist. The most typical symptom is foamy urine or hematuria, and patients also have frequent urination, urinary urgency and other manifestations, you can follow the doctor’s advice to take six flavors of dihuang pills and so on to regulate. In daily life, we should pay attention to regular light diet, avoid spicy food and avoid tobacco and alcohol stimulation, increase nutrition, pay attention to rest, drink more water. Kidney bad patients are recommended to timely hospital diagnosis and treatment.