There are many symptoms and manifestations of back eczema, such as obvious itching, polymorphism of lesions, number of lesions and so on. 1. Obvious itching: eczema on the back can cause obvious itching, especially in the resting state, itching is more serious, sometimes paroxysmal itching, even distraction can not improve the itching phenomenon. 2. Loss polymorphism: back eczema lesions have various forms, acute stage can show erythema, edema, blisters, papules, etc., can also show flaking, vesicles, scabs; if belongs to the chronic eczema, it can also show roughness of the skin, maculopapular rashes, plaques and so on. 3. The number of skin lesions: early onset of eczema on the back, the number of eczema on the back is small, with the gradual development of the disease, the number of skin lesions will be more and more. There are many symptoms and manifestations of eczema on the back, after the appearance of symptoms, it is recommended that patients seek medical treatment in a timely manner, in accordance with the doctor’s instructions to take standardized treatment, do not ignore the symptoms, take it lightly.