Drinking diuretics to hold down the small of the back to keep urine out may lead to symptoms such as hydronephrosis and urinary stones. If diuretics are taken for a long period of time, they can easily lead to increased urine output, dehydration and electrolyte loss, mainly sodium and potassium, resulting in a range of clinical symptoms. If you drink diuretics to hold down the small of your back to keep from urinating, your bladder will remain in a state of high pressure. Bacteria and urine may flow into the kidneys, leading to hydronephrosis, affecting kidney function and even leading to uremia. Drinking diuretics to hold down the abdomen to prevent urination will also lead to an increase in the concentration of components in the urine, precipitating the deposition of crystals, which can easily lead to the emergence of stones in the urinary system. Therefore, in clinical practice, pay attention to the application of diuretics, pay attention to the patient’s indications, rational use of medication, scientific use of medication, for the treatment of disease is meaningful.