The patient may have urine blood after drinking alcohol: 1, may be due to excessive alcohol stimulation and lead to mucosal congestion, then can appear to have urine blood. 2, may be the patient itself has urinary tract diseases and appear to have urine blood, and drinking alcohol does not have any correlation, it is recommended that patients go to the hospital for examination to clarify. 3, if excessive drinking after the alcohol can cause vasodilation, then can cause there is mucosal This can cause mucous membrane congestion, bleeding, not only blood in the urine, but also facial flushing or skin flushing and other changes. In this case, you only need to stop drinking alcohol, drink more water, and the mucosal congestion will return to normal after the blood in the urine can naturally stop. 4, it is also possible that the patient himself has stones, tumors and other diseases, then suddenly there is a mucosal rupture bleeding or tumor necrosis itself, resulting in local bleeding, which just happens to overlap with drinking. The actual situation is that the urinary system itself has organic diseases, which can be clarified through CT, ultrasound and cystoscopy of the urinary system, and requires inpatient surgery.