Eczema recurrence, difficult to heal the cause is more complex, usually including improper treatment, improper care. 1. Improper treatment: the treatment of eczema is usually divided into acute treatment and chronic eczema treatment; each has different ways of treatment and medication; and eczema medication is more complex, usually including local topical medications (including glucocorticosteroids, antibiotics, etc.) and systemic oral medications (antihistamines, antibiotics, etc.). If patients do not use medication under professional medical advice, use folk remedies or stop medication without authorization, it is very easy for the condition to recur and remain unresolved. 2. Improper care: The causes of eczema are complex (including long-term systemic diseases, low immunity, genetic factors, contact with allergens, temperature, sunlight and other physical factors, etc.), patients need to do a good job of protection from clothing, food, housing, transportation and other aspects of avoiding contact with a variety of suspected disease-causing factors, stay away from allergens, and actively treat the primary disease and improve their own immunity, etc. In addition, patients need to avoid eating spicy and spicy foods, and to avoid the use of allergens. In addition, patients need to avoid spicy and irritating foods, avoid violent scratching of the affected area, avoid excessive scrubbing of the affected area, avoid contact with high or low temperature environment, and do a good job of sun protection. It is recommended that patients go to a regular hospital, combined with their own condition, follow the doctor’s instructions to receive treatment, and do a good job of daily protection, do not take medication without authorization, so as not to delay the condition.