Prostatic hyperplasia has the potential to affect bowel movements, which is related to the location of the prostate and the severity of prostatic hyperplasia. 1. The location of the prostate: the prostate is located between the bladder and the rectum, the prostate of patients with prostatic hyperplasia will increase in size, when the enlarged prostate tissue presses on the neck of the bladder or the urethra, there will be frequent urination and other clinical manifestations, when the hyperplasia of the prostate gland presses on the rectum, resulting in a reduction in the effective volume of the rectum, there may be an abnormality of the bowel movement. 2. The severity of prostate enlargement: mild prostate enlargement does not have much effect on the patient’s bowel movement, because prostate enlargement will lead to a reduction in the effective capacity of the bladder, so the first clinical symptom of mild prostate enlargement is frequent urination at night. When the prostate enlargement is serious, protruding into the rectum obviously, there will be the possibility of affecting the bowel movement, clinical symptoms will appear constipation accompanied by frequent urination, urinary abnormalities, and if the abdominal pressure increases for a long time, there may even be hemorrhoids or prolapse of the risk of anal. Patients should reduce the consumption of fat, sweet, thick and greasy, spicy and stimulating food in daily life, and often participate in cultural and physical activities, which can help reduce the symptoms.