Prostatitis may cause pain during erection, and some patients also experience erectile dysfunction and premature ejaculation. Prostatitis is caused by a variety of complex causes, such as pathogen infection, irregular sex life, sedentary, alcohol abuse, spicy diet and so on. Due to the stimulation of inflammation, prostate tissue of prostatitis patients is congested and edematous, and after erection, some patients may experience pain and other discomforts. Acute prostatitis patients may experience sudden fever, chills, and fatigue, and patients may experience a feeling of heavy pressure on the perineum or suprapubic region. If the disease recurs, it can progress to chronic prostatitis, and in addition to erection pain, patients may also experience reproductive system tissues such as erectile dysfunction and premature ejaculation. For patients with erection pain, it is recommended to seek medical examination in time to clarify the diagnosis.