Eczema mossy is usually chronic eczema, and its treatment is mainly based on medication, while paying attention to life management. Chronic eczema is mainly characterized by hypertrophy, roughness and mossy skin in the affected area, which may be accompanied by itching and other discomforts. Clinical topical drugs used in the treatment of chronic eczema mainly include hydrocortisone ointment, dexamethasone cream, halometasone cream and other glucocorticosteroids and tacrolimus ointment and other local immunomodulators. Oral medications include antihistamines such as loratadine and cetirizine, and in severe cases, short-term glucocorticosteroids such as prednisone and immunosuppressants such as cyclosporine and azathioprine. The use of drugs should be under the guidance of medical professionals to avoid adverse reactions. At the same time, chronic eczema patients need to actively seek and remove possible causes or allergens, reduce external stimuli, avoid eating irritating foods.