Hemorrhoids, divided into internal hemorrhoids, external hemorrhoids and mixed hemorrhoids. The main symptoms of internal hemorrhoids are blood in the stool and protruding anal swelling, blood in the stool is characterized by painless, intermittent fresh blood after defecation, which is mainly manifested as dripping blood during or after defecation, or even ejaculation of blood. Severe cases can lead to anemia and a second protruding hemorrhoid. Symptoms of internal hemorrhoids are divided into one to four stages according to the severity: a stage of internal hemorrhoids does not have prominent symptoms. The second stage of internal hemorrhoids have prolapse, after stool can be self-retraction. The third stage of internal hemorrhoids hemorrhoid nucleus prolapse, need to use the hand after the stool to be able to return to the. The fourth stage of internal hemorrhoids hemorrhoid nucleus prolonged prolapse outside the anus. When the internal hemorrhoid prolapse, embedded with local edema, will be accompanied by obvious pain symptoms. And the main symptom of external hemorrhoids is pain and itching, when the external hemorrhoids local thrombosis or infection, edema, there will be pain. External hemorrhoids lead to deepening of the skin folds around the anus, bacterial collection, long-term inflammatory stimulation will lead to localized itching and even dampness, resulting in perianal eczema.