Kidney cysts are impossible to become smaller through exercise, and blind exercise may also cause rupture and bleeding of cysts due to strenuous activities, resulting in adverse consequences. Kidney cyst is a common structural abnormality of adult kidney, which is due to the formation of certain small cavities in the development of renal tubules, or the destruction of the surface structure of kidneys due to infections, stones, and other diseases, which form closed circular cavities. Urine produced by the kidneys may be trapped in the small cavities, causing them to enlarge, and a renal cyst is formed. Kidney cysts are organic lesions of the kidneys, and it is impossible to make them smaller by means of exercise. Kidney cysts are usually asymptomatic and do not require special treatment at this time, just follow up and review according to the doctor’s requirements. When the cyst compresses the surrounding tissues, there may be lumbar and abdominal pain, abdominal mass, hematuria, etc. At this time, according to the specific conditions of the puncture drainage or surgical treatment, commonly used laparoscopic surgery, cysts are larger, feasible renal cyst removal surgery. Patients with renal cysts should avoid strenuous activities, prevent urinary stones, low-salt, low-fat, low-protein diet, pay attention to controlling blood pressure, do not overwork, and when the body appears to be in discomfort, it should immediately seek medical attention.