The recovery time for anal fissure is related to the medication used for treatment and the individual’s physique, as well as the way of surgery, and is mainly divided into the following cases: First, under normal circumstances without any drug intervention, the wound of the skin or mucous membrane around the anus needs about seven to nine days to recover. Second, diabetic patients need to heal only after blood sugar control due to the slow recovery of wound healing affected by blood sugar, and the recovery time is variable. Third, normal adult patients without special underlying diseases, apply recombinant human epidermal growth factor gel, which is a drug that promotes skin growth, can significantly shorten the recovery time as well as reduce recurrence. Fourth, more serious recurrent anal fissures, more scar tissue proliferation, recovery time requires more than half a month. Fifth, surgical excision treatment, post-operative incision without obvious infection, recovery time in seven to nine days, incision infection can delay healing or not heal. Sixth, dry stool or eating spicy and irritating food, temporarily caused by anal fissures, can generally recover on their own within a week.