Internal hemorrhoids are usually soft in texture, only in the internal hemorrhoids within the thrombus will be hard, and the thrombus is a rupture of blood vessels, the accumulation of blood in the mucous membranes under the formation of blood embolus, embolus is hard knot-like, stimulation of hemorrhoids will cause hemorrhoidal tissue edema, but also can cause pain, and even cause internal hemorrhoids incarcerated. The discovery of hard nodules around the anus, need to pay attention to hard nodules. If accompanied by pain, you can consider the hemorrhoids appear thrombosis. If the hard nodule itself is a hard nodule, and it exists for a long time, always the same, and even the pain and the presence of hard nodules have no effect on anal defecation, or even have hidden pain, it should be noted that it may be a precursor of anal canal cancer, or it may be a part of anal tumors, and it needs to be vigilant. There are some anal hard lumps that are acromegaly, soft like leeks, piece by piece, hard lumps appear around the anus as well, at this point it is important to clarify the history of contact, usually through sexual transmission. This situation is very different from internal hemorrhoids, the treatment is also very different, so hard lumps around the anus do not simply think that it is a hemorrhoid problem, or that it is a common problem, you should go to the hospital for diagnosis, diagnosis is clear, the treatment is also clear.