For women with urinary tract stones found during breastfeeding, the first step is to identify the exact location, size and number of stones. If the stones are located in the renal pelvis and are less than 6 mm in diameter, they can be treated conservatively by drinking more water and urinating more often. If the stone enters the ureter and causes renal colic, oral methotrexate tablets can be taken to dilate the ureteral wall and prevent the painful symptoms caused by the stone. After a period of effective symptomatic treatment, it is possible for the stone to pass out of the body on its own and can be observed for 2 weeks. For stones in the ureteral kidney, extracorporeal shock wave lithotripsy can be performed as long as the stone is located in the upper or middle part of the ureter, to crush the stone into multiple segments and then perform conservative lithotripsy to remove the stone from the body. If the stone is large and stuck in the ureter, located in the lower part of the ureter, and has not moved for more than 2 weeks, Holmium laser lithotripsy should be performed promptly to remove the stone obstruction in order to save the kidney function. Therefore, if surgery is necessary during breastfeeding, surgical treatment should also be performed to prevent prolonged compression from causing damage to the kidney function or even triggering the loss of kidney function.