Usually there is no hydronephrosis most feared nemesis this statement, hydronephrosis belongs to the genitourinary system diseases, patients can improve the condition through general treatment, drug treatment, surgical treatment and other ways. 1. General treatment: For patients with mild to moderate hydronephrosis without obvious discomfort, inflammation and infection, ultrasound, CT and intravenous urography can be used every 6 to 12 months for review and observation, and intervention can be avoided if there is no progress. 2. Medication: patients with hydronephrosis can take antibiotics under the guidance of doctors, such as ofloxacin, amoxicillin, etc. Patients with hydronephrosis caused by kidney stones can be treated with stone-dissolving drugs, such as sodium potassium citrate, etc. Patients with kidney pain can use painkillers, such as diclofenac sodium, pethidine, etc., to improve their condition. 3. Surgery: patients with hydronephrosis caused by urinary stones can be treated by percutaneous nephrolithotripsy, ureteroscopy lithotripsy, etc. For patients with ureteral stenosis and obstruction, they can be treated by cystoscopic placement of double J-tube under the guidance of doctors; and for patients with more serious hydronephrosis, they can be treated by nephrectomy. It is recommended that patients strictly follow the doctor’s instructions for medication, actively cooperate with the doctor’s treatment, maintain a good attitude in life, pay attention to self-management, regular review.