Dermatitis cannot usually be cured. It can be relieved in the long term by medication and removal of susceptibility factors, but it may recur if susceptibility factors are present. Dermatitis is caused by skin or mucous membrane contact with exogenous substances that irritate the skin or cause an allergic reaction. The skin may be frequently dry, itchy, red, and may be scaly. Sometimes pimples may appear on the skin, which may cause blisters and macules in severe cases. Dermatitis patients when the local erosion, oozing more, can follow the doctor’s instructions local saline, boric acid solution, such as wet compresses, but also can use mupirocin ointment, fusidic acid cream to prevent and control secondary infections, in addition to medication, but also the application of ultraviolet light irradiation and liquid nitrogen freezing and other treatments. If you want to make the dermatitis not recurring, pay attention to avoid contact with allergens, such as female patients allergic to certain skin care products, cosmetics. Some patients often scratch a certain part of the skin due to mental factors, which can also lead to neurodermatitis, etc., and should be avoided. Dermatitis patients are advised to go to the hospital in time, should be under the guidance of the doctor to take the correct treatment, and follow the doctor’s instructions to correctly select and use the topical drugs and oral medication, do not arbitrarily use, stop or reduce the drug.