1, itching: it is the main symptom of anal eczema. It is paroxysmally itchy, and scratching the local area can make the pain and itchiness increase by breaking the skin; when itching is unbearable, it can affect study, work, sleep, etc. 2.Anal flushing: the perianal skin or skin folds are light pink and edematous due to wetness, friction or scratching. 3.Anal wetness: exudation can cause anal wetness and discomfort, underwear contamination and skin abrasion. 4.Pain: the skin around the anus can be broken due to scratching, which can lead to chaps and infections, and anal pain and pain during defecation often occur. 5, other: that is, anal eczema, in addition to its characteristics, can also cause indigestion, bloating, constipation and diarrhea, dizziness, insomnia, irritability and other symptoms.