The causes of mixed hemorrhoids are several: 1, regular sedentary and sedentary, sedentary and sedentary cause lower rectal venous reflux obstruction, venous reflux obstruction will cause venous tortuous expansion, forming masses; 2, regular consumption of spicy and irritating food, spicy and irritating food will obviously affect defecation, the lower rectal segment will often be stimulated, causing circulatory disorders; 3, mostly seen in the elderly, such as the elderly pelvic floor muscle relaxation, pelvic floor muscle relaxation will later cause prolapse of the lower rectal segment. The so-called rectal prolapse seen in the elderly can also cause mixed hemorrhoids; 4. Common perianal inflammation, repeated stimulation of perianal inflammation can cause edema and cause varicose veins to form masses.