Eczema is an inflammation of the superficial dermis and epidermis manifested by herpes papules, erythema, mossy changes, etc. It can be treated with cold wet compresses of boric acid solution. Eczema has acute, subacute, chronic three types, different eczema has different manifestations, but all will be conscious of itching. Boric acid solution is a skin cleanser, often used as a cold wet compress, with anti-inflammatory, decongestive, antibacterial, astringent and cleansing effect, can be used for the treatment of acute, subacute eczema. However, it should be noted that, boric acid solution to avoid large area application, if used for large area damage, absorption can occur after acute poisoning, severe circulatory failure, renal failure or shock. Allergic to boric acid solution is prohibited, contraindicated with polyvinyl alcohol and tannic acid. Use under the guidance of medical professionals.