The anal pain is caused by the following conditions: 1. It may be caused by anal skin diseases, such as anal eczema, which causes localized small blister-like objects, pain and itching. 2. It may be caused by diarrhea, as repeated diarrhea and wiping will make the already delicate anal skin more fragile, plus the stimulation of feces and urine, making the skin The pain may be caused by anal fissures, mostly due to dry stools, excessive force in the process of discharge, resulting in tearing of the skin around the anus, coupled with the stimulation of secretions and excretions, making the open wound appear hot and painful, in addition, there may be pain caused by neurodermatitis, thrombosed external hemorrhoids, perianal abscesses, etc.