Renal cysts are generally larger than 10cm to be operated, mainly take cystectomy. Cyst diameter less than 10cm greater than 4cm cysts can be taken cystic fluid aspiration and other treatment, no obvious symptoms of patients do not need special treatment. Patients with renal cysts whose cysts are larger than 10cm in diameter should seek medical treatment in time to take surgical treatment, and the main surgical method is cystectomy. If the cyst diameter of renal cyst patients is less than 10cm and more than 4cm, they can take cystic fluid aspiration and intracapsular injection of sclerosing agent for treatment. If the patient does not have obvious symptoms, no special treatment is needed, and it is recommended to review on time. Patients with renal cysts should do moderate exercise, such as slow walking, playing Tai Chi, square dancing and other light exercise, avoid strenuous exercise to prevent cyst rupture. Patients are advised to improve their diet, consume low-salt, low-protein and low-fat food, and eat vegetables and fruits in moderation, such as green vegetables, radish, banana, orange and so on. Patients with renal cysts should consult a doctor in time and take reasonable treatment under the doctor’s guidance. Patients should live a regular life and avoid exertion and staying up late.