Furfuryl is a topical preparation commonly used in dermatology. Its main ingredients are furfuryl, glycerin and zinc oxide, which are relatively less irritating to the skin and have anti-itching and astringent effects, but the product is prohibited for those with severe exudation. Eczema is an allergic skin disease. In addition to the polymorphic erythema on the skin surface, patients often have intense itching and sometimes significant plasma exudation. If the acute eczema is not treated in time, it will turn into chronic eczema, and the course of the disease is long and easily recurring. The treatment of eczema should first find allergens, reduce external stimuli and avoid eating allergic foods, for patients with eczema without exudation, topical application of glyburide lotion and corticosteroid ointment, while taking antihistamines for treatment.