11mm x 7mm kidney stones are large and often require extracorporeal shock wave lithotripsy to dislodge the stones. Kidney stones belong to the upper urinary tract stones, the main manifestations of pain and hematuria, the degree of which is related to the location of the stone, size and the presence of injury. Nausea, bladder irritation signs and other manifestations may occur. Ultrasound is preferred for imaging of kidney stones. Kidney stones larger than 6mm and smaller than 2cm are mostly treated by extracorporeal shock wave lithotripsy. Through X-ray or ultrasound for localization, the use of high-energy shock wave action on the stone, so that the stone cracking, with the urine out of the body. It is contraindicated for patients with distal urinary tract obstruction of stones, pregnancy, etc. If 11×7mm stones are present, you should go to the hospital in time and be treated under the guidance of the doctor.