Not drinking much water always have urine may be the intake of food containing too much water due to, or consider the prostatitis, urethritis and other diseases caused by. 1. Intake of food containing too much water: the human body daily in addition to drinking water, but also through the water in the food to supplement the body’s water. If you consume foods that contain more water, such as watermelon, sugar cane, strawberries, cantaloupe, etc., you may not drink much water and always have urine. 2. Prostatitis: The causes of prostatitis include irregular sex life, pathogen infection, spicy diet and sedentary lifestyle. Patients may have symptoms such as frequent urination, urinary urgency, burning pain in the urethra, and so on, which is manifested in the fact that there is always urine without drinking much water. 3. Urethritis: Urethritis is mainly caused by gonococcal pathogen infection, non-gonococcal pathogen infection and other factors. Patients can appear urinary frequency, urinary urgency, increased urethral secretion and other symptoms, some patients will not drink much water always have urine. There are many causes of urine without drinking much water, it is recommended that patients go to the regular hospital, relevant examination, so as to clarify the cause of the disease.