Once you drink beer, you frequently run to the toilet, with excessive water intake, prostatitis, urinary tract infections, etc., simply by virtue of this phenomenon can not judge whether it is a good thing. 1. Physiological phenomenon: beer contains a lot of water, after entering the human body, it will lead to an increase in the amount of urine, and then the phenomenon of frequent urination. This is a normal physiological phenomenon, do not need to worry. 2. Pathological phenomenon: (1) prostatitis: its main symptoms include frequent urination, urinary urgency, urinary pain and other symptoms, after drinking alcohol, can stimulate the prostate, exacerbate the condition, and then the symptoms of frequent urination. (2) urinary infection: such as cystitis, urethritis and other diseases, can also cause urinary frequency, after drinking alcohol, can aggravate the symptoms of urethra, bladder mucosal congestion, and then frequent urination and other uncomfortable symptoms. In addition to this, other diseases such as overactive bladder disease can also cause patients to experience frequent urination after drinking alcohol. This condition may aggravate the condition and is not a good sign. If you experience frequent urination after drinking alcohol, or if you experience other symptoms at the same time, it is recommended that you consult a doctor to confirm the diagnosis and get the appropriate treatment.