Drinking a lot of water without going to the toilet is usually seen in the following cases: 1. In summer, if the patient has a lot of sweating, the liquid evaporates through the skin and is not excreted through the kidneys, so there is no need to go to the toilet. 2. The patient has obvious renal insufficiency or cardiac insufficiency, and the liquid can not be passed through the kidneys, but exists subcutaneously through the skin, and there is obvious edema and other situations. The patient may have heart failure, which is manifested by breathlessness, coughing pink foamy sputum, and inability to lie down. It is recommended to actively diuretic, if necessary, can be performed hemodialysis, or hemofiltration and other ways to discharge excess water.3, patients with acute infections, such as urinary tract infection urine can not be discharged, it is recommended to actively catheterization, anti-inflammatory and other therapeutic methods, to promote the discharge of urine.