Kidney cyst is a relatively common kidney disease in life, which is very harmful to the kidneys and can cause other morbidities if not treated in time. In life, because many people are interested in how kidney cysts are formed, which leads to the frequent appearance of the disease. Therefore, in order to avoid the appearance of the disease, we should do a good job of the corresponding preventive measures. First, various infections Infection can cause abnormal changes in the internal environment of the organism. The internal factors of kidney cysts are active so that they can promote the generation and growth of kidney cysts. And any infection in any part of the body, enhance. In turn, it will enter the kidney through the blood thus affecting the cyst and the kidney cyst becomes infected. Second, the bad diet poor diet will also lead to the occurrence of kidney cysts, diet too little or too much, even too greasy are prone to cause kidney cysts. The usual diet should also pay attention to the nutritional mix, remember not to overeat. Three, emotional factors In life, due to emotional changes are too intense, or long-term emotional depression, causing disease is not uncommon cases. Therefore, emotional factors can also cause kidney cysts. Therefore, in order to avoid the trouble of the disease, life should pay attention to regulate their emotions. Fourth, genetic mutation How is the formation of kidney cysts? The disease has certain genetic characteristics, divided into autosomal dominant and autosomal recessive inheritance, but there are also patients with polycystic kidney neither inherited from parents, nor congenital dysplastic kidney cyst disease, but genetic mutation during embryonic formation. Understanding how renal cysts are formed is of great importance, both for the pre and the treatment of the disease. Therefore, in order to ensure a healthy body, we should avoid the above predisposing factors.