Built-in double J tube observation and nursing care of patients Spaces, etc. to distract, if necessary with urinary Ling, nifedipine and other antispasmodic agents. 25 cases, 15 patients with symptomatic relief; 8 cases of symptom relief; 2 cases with conservative treatment fails, respectively, after the catheter 28d, 35d extubation. 2.3.2 hematuria: the occurrence of hematuria and the double J tube texture, excessive activity during indwelling double J tube to mechanical injury of bladder and ureteral mucosal edema,MBT Shoes Clearance, ulceration and so on. 13 cases occurred in this group, accounting for 4.8%. Hematuria occurred in 1 week after surgery, especially after getting out of bed. During hemorrhage, should decrease the amount of exercise, more water, if necessary, bed rest, and use drugs to stop bleeding. 12 patients with hematuria continued 2 ~ 5d improved; 1 case of severe and recurrent hematuria, removed after 1 month in the double-J tube. 2.3.3 Urine reflux: double J tube indwelling urinary drainage was continued, renal pelvis, ureter filling cone stimulation resulted in loss of ureteral peristalsis was significantly reduced or lost, while anti-reflux mechanism of the ureteral orifice disappear. Therefore, the flow of urine depends on the renal pelvis,puma shoes, bladder pressure and poor in 3. When the pressure is greater than the bladder pressure is easy to induce renal pelvis urine reflux. Poor drainage after catheterization, constipation, cough, supine urination, holding back urine, etc. is the main reason causing urine reflux. 35 cases occurred in this group, 13%, main clinical manifestations of backache. Care should pay attention to maintaining low bladder empty,abercrombie outlet, unobstructed drainage, ground urination, to avoid a high degree of bladder filling and voiding supine, Zhu Huanzhe eat more fruits, vegetables, maintaining smooth stool,lunette ray ban, and prevention of colds,tory burch shoes, coughs and other factors that increase abdominal pressure. 2.3.4 urinary tract infections: double-J tube and foreign body stimulus, the daily water intake