The treatment time of eczema is usually about 1-12 weeks, the specific time is mainly related to the eczema acute and chronic, personal constitution. 1, acute, subacute eczema: after external and oral drug treatment, about 1 week more can gradually heal; 2, chronic eczema: most of the acute, subacute eczema evolved from the long course of the disease, the division of a wide area, not easy to treat. If the patient is better, the lesions are smaller, the treatment time usually takes about half a month, but some patients are poor, and the whole body lesions range, it may take 2-3 months to gradually recover, may also be delayed, resulting in recurrent attacks. It is difficult to cure the disease completely, and the aim of treatment is to achieve clinical cure, that is, effective relief of symptoms, without affecting the life and work of the patient. The first choice of treatment is antihistamines, which are usually applied until the symptoms are completely relieved before stopping, and the representative drugs are ketotifen, benadryl, loratadine, etc. Topical drugs should be selected according to the type of rash of the patient, and generally strong glucocorticoids should be applied within 2 weeks, after which medium-acting and weak glucocorticoids should be replaced for maintenance treatment. In case of co-infection, a combination of antibiotics should also be applied for 7-10 days. It is important to avoid scratching, rubbing, hot water washing, washing with alkaline soap or using irritating topical medications in life.