There is no such thing as a cure for erythroderma, and patients are advised to take general treatment, medication, and physical therapy to improve it. Erythroderma, also known as exfoliative dermatitis, is not an independent disease, but a manifestation of a variety of diseases, can be secondary to primary skin diseases, malignant tumors, drug allergies and so on. 1. General treatment: for patients with erythroderma, the need to identify the cause of the disease, and good skin care, you can use slightly warm dressings for wet compresses. If it is drug-induced erythroderma, sensitizing drugs should be discontinued immediately, and regular disinfection of clothing, utensils and so on. 2. Drug therapy: patients can follow the doctor’s instructions for external hydrocortisone, dexamethasone and other weak glucocorticoid drugs; for patients with erythroderma, need to follow the doctor’s instructions for external use of strong glucocorticosteroids, such as hassanide, haldolone, etc., to help anti-inflammatory and anti-itch. 3. Physical therapy: patients can also according to their own situation, follow the doctor’s instructions to choose photochemotherapy, narrow-spectrum medium-wave ultraviolet radiation and other ways to improve skin symptoms. Erythroderma patients should go to a regular hospital, clear cause with the doctor for standardized treatment, avoid self-medication.