Perianal eczema is most commonly associated with perianal eczema, which is usually accompanied by itching in the anus. In this case, you can take oral desloratadine tablets as well as epinephrine tablets to stop the itching. Apply boric acid zinc oxide ice ointment or tretinoin econazole cream around the anus to stop itching. Take a sitz bath with medicinal water every day after stool, you can choose Chinese medicine with clear heat and dry dampness such as Hemorrhoid Comfort Wash, Jelqing Wash, etc. Usually sitz bath 1-2 times/day, 15 minutes/time. During the treatment period, you must pay attention to the hygiene of the anal area, keep the perianal area clean and dry, and eat a light diet, do not eat beef, mutton and other inflammatory hair products. At the same time, we should pay attention not to drink alcohol and develop good eating habits.