Anal swelling and pain in the anus may be due to inflammatory irritation in the anal canal, which requires anoscopy. If congestion and erosion of the anal canal and rectal mucosa can be seen, as well as mild secretions, it is considered that the inflammation of the anal canal and rectum may be the cause. You can choose Chinese medicine for retention enema treatment, at the same time need to pay attention to the use of metronidazole suppositories or carbomer gel, for anal plug anti-inflammatory treatment. The actual spicy, stimulating, and cold foods are not to be eaten. If the number of bowel movements increases, you can also take oral enteritis tablets or Bifidobacterium tetraurea tablets to regulate intestinal flora and relieve intestinal inflammation. If repeated treatment is ineffective, symptomatic treatment with antibiotics is also available. Excluding intestinal inflammation, consider that it may be due to hemorrhoids or rectal mucosal relaxation. Further surgical treatment is required for complete healing.