Since external hemorrhoids are also innervated by the spinal nerve, tying off the hemorrhoids by themselves will cause severe pain, and may also affect the local blood supply and cause infections, so you can’t tie off the hemorrhoids by yourself with a thread. External hemorrhoids are hemorrhoids that grow below the dentate line of the anus, which are also innervated by the spinal nerves, and are more sensitive to pain, so if you lash them off by yourself with a thread, it will cause severe pain, and it may also affect the local blood supply, resulting in oedema, bleeding, and infections, etc. Therefore, you can’t lash them off by yourself with threads for external hemorrhoids. Patients with external hemorrhoids, it is recommended to seek medical treatment in a timely manner, according to their own specific circumstances under the guidance of a professional physician to take the relevant treatment methods, daily should also eat more fruits and vegetables, to maintain smooth stools, minimize the consumption of spicy and irritating food, appropriate anal health care, to avoid causing infections.