Benign prostatic hyperplasia (BPH) is a disease mainly caused by the disorder of sex hormone metabolism in the elderly, which leads to the proliferation of glands and (or) fibers and muscle tissues to varying degrees, resulting in an increase in the size of the prostate, destruction of normal structure and a series of functional disorders. Benign prostatic hyperplasia is a common disease in middle-aged and elderly men, and about half of men over 50 years old will have clinical symptoms. The enlarged prostate squeezes the urethra, leading to a series of urination disorders, such as frequent urination, urgency, weak urine flow, and incomplete urination. These symptoms seriously affect the patient's quality of life. Failure to treat them in time can lead to many serious complications (such as acute urinary retention, stones, renal insufficiency, etc.), and may even endanger the patient's life.