The kidney is located in the upper posterior part of the abdominal cavity, one on each side, shaped like a broad bean, and is one of the most important organs to maintain the relative stability of the body’s internal environment, with important physiological functions: 1. 4, endocrine function (secretion of hormones to promote red blood cell growth, regulation of calcium and phosphorus metabolism in the body, regulation of blood pressure, etc.). Therefore, abnormal kidney function will lead to the disruption of the internal environment, toxins can not be eliminated in a timely manner, anemia, hypertension and many other diseases. Severe cases can be life-threatening.