A bulging mass in front of the anus is considered to be a hemorrhoid, which is caused by varicose veins around the anus causing a raised mucous membrane that is soft to the touch and not painful, and the bulging mass can increase after defecation. If there are no other obvious discomfort symptoms do not need treatment, usually keep the bowels open. It is also necessary to consider the symptoms of rectal prolapse. Due to the relaxation of muscle ligaments around the rectum and prolonged constipation, it can prolapse out of the anus during defecation, and in serious cases, it can prolapse on its own and cannot be returned. The abscess around the anus can also appear bulging, accompanied by local pain, which is caused by local infection, you can take oral antibiotic medication, local hot compresses, if an abscess has formed, you need to cut and drain, if necessary, go to the hospital.