Food does not play a role in removing hydronephrosis. The treatments for hydronephrosis include conservative treatment, local treatment, surgery and so on. 1. Conservative treatment: If the symptoms are mild, the development of the disease will be slow, and can be treated by conservative methods, under the guidance of the doctor to take anti-infective drugs, such as ofloxacin, amoxicillin and so on. For hydronephrosis caused by urinary stones, you can take stone-dissolving drugs, such as sodium potassium citrate, and so on, and go to the hospital regularly to do renal function tests. 2. Local treatment: if the symptoms are very obvious, you can through local treatment methods, such as adhesion separation, vascular displacement and then anastomosis, etc. If the patient’s local rupture time is too long, which leads to the development of the ureter is impaired, you can through ureteral resection and then anastomosis method of treatment. 3. Surgery: If the patient’s condition continues to worsen and the kidney function decreases significantly, the kidney on the affected side can be removed through surgical treatment. Patients should improve their dietary habits, reduce salt intake, and do not eat greasy and stimulating food. Go to regular hospitals for timely consultation and treatment to avoid deterioration of the condition.