Internal hemorrhoid surgery more than 40 days, the wound is still red may be the wound infection inflammation. The anus is an excretory organ, more secretions, and more skin folds around the anus is easy to hide dirt, but also formed a moist environment, conducive to the growth of microorganisms, easy to breed bacteria, if the postoperative care is not appropriate, resulting in wounds easy to get infected and inflamed, will stimulate the affected area of the skin, resulting in redness. After surgery, pay attention to wound hygiene, keep the perianal area clean and dry, redness of the wound can be oral cefixime capsules or local rubbing erythromycin ointment, drink more water, light diet, prohibit spicy, stimulating food. If the situation is not relieved or even worse, it is recommended to go to the anorectal department of the hospital in time and follow the professional doctor’s guidance, so as to avoid delaying the condition.