1.Blood in stool: Painless, intermittent, bright red blood after stool is its characteristic, and it is also a common symptom of internal hemorrhoids or mixed hemorrhoids in the early stage. The blood in stool is mostly caused by feces rubbing the mucous membrane or excessively forceful defecation, causing the dilated blood vessels to rupture and bleed. In mild cases, it is mostly blood in the stool or on the stool paper, followed by dripping blood, and in severe cases, it is jet-like bleeding, which can often stop on its own after a few days. This is important for diagnosis. Constipation, dry and hard stools, drinking alcohol and eating irritating food are all triggers for bleeding. If the bleeding is repeated for a long time, anemia can occur, which is not uncommon clinically and should be differentiated from bleeding disorders. 2, hemorrhoid prolapse: often late symptoms, more blood in the stool followed by prolapse, because of the late hemorrhoid body enlarges, gradually separated from the muscle layer, feces is pushed out of the anus. In the lighter cases, the prolapsed hemorrhoid only prolapses during stool and can return on its own after stool, while in the heavier cases, it needs to be pushed back by hand. A few patients complain that prolapse is the first symptom. Pain: Simple internal hemorrhoids are painless, a few have a feeling of swelling, when internal hemorrhoids or mixed hemorrhoids prolapse and become embedded, edema, infection, necrosis, there are varying degrees of pain. 4.Itching: Late internal hemorrhoids, hemorrhoid prolapse and anal canal sphincter relaxation, there is often secretion outflow, due to secretion stimulation, there is often itching discomfort around the anus, and even skin eczema, the patient is extremely uncomfortable.