Kidney vague pain must do routine urine examination; ultrasound examination of kidney, ureter and bladder, which can make a preliminary judgment whether the vague pain in kidney area is caused by urinary tract infection or urinary tract stone. If it is caused by infection, it is recommended to drink more water and urinate more often, and you can take broad-spectrum antibacterial agents, the most common being levofloxacin, 0.2 grams each time, orally twice a day, or you can take feverfew. If you have kidney stones, hydronephrosis or ureteral stones, you must decide how to treat them according to their size. For small stones, drink more water to expel the stones from the body and the hidden pain in the kidney area will be relieved. If the stone is larger, it may need to be dislodged by extracorporeal shock wave lithotripsy or holmium laser lithotripsy by ureteroscopy to relieve the symptoms.