Whether a right kidney cyst is serious or not is determined by its size or whether it continues to grow, and cannot be generalized. Generally smaller right kidney cysts are very common and are benign lesions, as long as the cyst grows very slowly or has a small volume, it will not affect the human body and is not a very serious disease and does not require special treatment. However, if the cyst gradually increases in size and grows to more than 5cm in diameter, with symptoms such as soreness and pain in the waist, hematuria, edema and other symptoms of compression of the kidney, it means that it is more serious and needs to be treated by doctors according to the specific situation, including conservative hemostatic treatment in internal medicine, aspiration of cyst fluid under ultrasound or surgical treatment. In case of right kidney cyst, there is no need to worry too much, and you should go to urology department regularly every year to review urological ultrasound or CT. at the same time, you should pay attention to your diet, avoid spicy stimulation, and do not drink strong tea and coffee.