Medicines that invigorate blood circulation and eliminate blood stasis (promote blood circulation and eliminate blood stasis in the body) usually do not cause hemorrhoids, which can be caused by a displaced anal cushion or varicose veins. Drugs that invigorate blood circulation and eliminate blood stasis are medications used in Chinese medicine to treat qi stagnation and blood stasis (blood stasis due to a lack of circulation of qi), and usually do not cause hemorrhoids. 1. anal cushion downward: in the anal canal mucosa there is a layer of ring vein sinus, and connective tissue group, smooth muscle into the anal cushion. If the elastic retraction is weakened during defecation, causing the anal cushion to become congested, move down, and hyperplasia, hemorrhoids are formed. 2. Varicose veins: venous plexus is the main structure of the anal cushion formation, such as long-term constipation, sitting and standing, prostate hypertrophy, pregnancy, etc., causing venous plexus dilatation, stagnation of blood flow, rectal venous reflux is blocked, then hemorrhoids can be formed. There are also long-term alcohol consumption, large amounts of stimulating foods such as wine, chili peppers, etc., perianal infections and other factors can be induced hemorrhoids. The presence of hemorrhoids, should be timely consultation.