Kidney stone lithotripsy should refer to the extracorporeal shock wave lithotripsy for kidney stones, which is generally less painful and need not worry too much. When extracorporeal shock wave lithotripsy, the body is in close contact with the energy generator, and the positioning system starts the machine after targeting the stone, and the electromagnetic wave generated enters the body through the skin, focuses on the stone, and generates a great deal of energy in the focusing place, which breaks the stone. During the process of extracorporeal shock wave lithotripsy, there may be some pain when the electromagnetic wave penetrates into the human body, but the pain is relatively mild. And the energy of electromagnetic wave can be adjusted, according to the patient’s performance to adjust the size of energy. Extracorporeal shock wave lithotripsy is usually less painful and is usually an outpatient procedure without hospitalization. If there is any discomfort after the extracorporeal shock wave lithotripsy, you should actively seek medical treatment under the guidance of the doctor, so as to avoid delays and serious consequences.