Benign prostatic hyperplasia (BPH) is a common clinical condition. Men over 40 years old are prone to prostatic hyperplasia as they age and the levels of androgens and estrogens in their bodies become disturbed. In the early stages of BPH, the symptoms are frequent urination, increased urination at night, residual urine drainage, and thin urine lines, etc. Further development of the prostate gland compresses the urethra, making it tortuous and deformed. The development of urethral obstruction can gradually damage the function of the bladder’s forced urinary muscle and make it gradually degenerate and thin, which is characterized by the instability of the forced urinary muscle and excessive bladder activity. Most patients with BPH are accustomed to ultrasonography, which can report the morphology and size of the prostate, but cannot assess the degree of urethral obstruction and the functional status of the bladder. The clinical finding is that some patients have a large prostate volume on ultrasound, but the symptoms of urinary tract obstruction are not severe, while others have a not-so-large prostate volume on ultrasound, yet the clinical symptoms are severe. The former is due to lateral or posterior lobe hyperplasia, while the latter is a middle lobe hyperplasia just compressing the posterior urethra, so the symptoms are severe. The currently accepted method of assessing bladder outlet obstruction is the urine flow rate test. The principle of urine flow rate test is to discharge urine into a collection container when the patient has a significant urge to urinate, underneath which is a precision weighing instrument that converts the mechanical signal into an electrical signal according to the change in urine increment, which is processed by a microcomputer to print out urine flow parameters and curves. Patients with MFR between 5-15 ml/s taking herbal medicine or receptor blockers can reduce urethral obstruction and improve the quality of life; patients with MFR less than 5 ml/s have poor results with medication and should be considered for prostate electrosurgery or open surgery. The actual fact is that you can find a lot of people who are not able to get a lot of money to spend on their own. In addition, patients with prostate enlargement should be careful to use atropine drugs that block the M receptors of the bladder forced urinary muscle to avoid aggravating the condition.