If the anus is always moist and itchy, it is considered perianal eczema. If it is a case of perianal eczema, patients are generally advised to take a Chinese herbal bath, local rubs and intra-anal plugs. The actual fact is that you can use the gynecological and obstetrical medicine, such as Jieer Yin lotion, gynecological lotion can play a role in clearing heat and dry dampness and stopping itching. After the sitz bath, you can use ointment to rub the anus, such as boric acid zinc oxide ice ointment, this medicine is very good for perianal dampness and itching can play a very good therapeutic role; at the same time, it is recommended that patients plug metronidazole suppositories inside the anus for local anti-inflammatory; finally, it is also recommended that patients eat anti-allergy drugs and anti-itch medicine, two kinds of drugs together, the first is diclaretin tablets, the second is Epastine tablets, two kinds of drugs The two drugs can be eaten together with the herbal sitz bath, local application and intra-anal plugs to achieve a very good effect.