Some hemorrhoids will be painful, and some hemorrhoids will not be painful, as follows: 1, will be painful: external hemorrhoids occur below the dentate line, outside the anus, and are innervated by the spinal nerve, which is a pain-sensitive nerve, so external hemorrhoids tend to be painful, such as external hemorrhoids appear inflammation, thrombosis, inflammatory external hemorrhoids, thrombotic external hemorrhoids, will appear external hemorrhoids swelling, pain. 2, will not be painful: internal hemorrhoids occur in the anus on the dentate line The internal hemorrhoids are usually not painful, but when the internal hemorrhoids have developed to a certain extent, they are out of the anal canal and cannot be returned to the anal canal, the internal hemorrhoids become embedded and swollen and painful.