Prostate volume was 80-148 ml in volume, weight >75 g, and IPSS score 20-35 for severe prostatic hyperplasia. According to the BPH clinical diagnosis and treatment guidelines for the diagnosis of severe prostatic hyperplasia criteria, the prostate should have a volume of 80 to 148 ml measured by transrectal ultrasound, urodynamic examination showed bladder outlet obstruction, and the presence of symptoms of voiding obstruction, such as difficulty in voiding, urinary frequency and other clinical symptoms. It can also be graded based on rectal fingerprinting or transrectal three-dimensional ultrasound assessment of prostate weight. One of the criteria for severity is a gland volume more than four times normal and an estimated weight of >75g. The IPSS score is the International Prostate Symptom Score, which grades prostate enlargement according to the severity of symptoms, with a score of 0 to 5 based on the frequency of seven symptoms, including the feeling of incomplete urination, intervals between voiding of less than 2 hours, intermittent voiding, inability to wait for urination, thinning of the urinary line, straining to void, and nocturnal urinary frequency. If the total score is 20 to 35 points for severe symptoms. It is recommended that people with prostate hyperplasia seek timely medical attention, and can choose to observe, terazosin and other drugs, as well as surgical treatment, drugs need to follow the doctor’s instructions for rational application.