There are a lot of reasons why you have to pee at the end of the day, such as physiological phenomena, reverse ejaculation, chronic prostatitis, etc. The reason why you have to pee at the end of the day is because you can’t do it. 1. Physiological phenomenon: If you have just finished urinating, there may be part of the residual semen in the urethra, thus causing the phenomenon of urination, which is a physiological phenomenon, not a disease factor. 2. reverse ejaculation: the process of ejaculation, if the semen does not flow from the urethra, but reverse into the bladder, will lead to urine urine last, common in nerve damage, urethral obstruction and other factors. 3. Chronic prostatitis: chronic prostatitis has a longer history and is more complex, and there may be a dribbling phenomenon, which can lead to the phenomenon of peeing at the end of peeing sperm. The reason for this is that there are a lot of reasons why you have to go to the hospital, and if you exclude the physiological phenomenon, it is recommended that you go to the hospital in time to complete the examination, and then give targeted treatment after a clear diagnosis.