Chronic eczema is a disease caused by genetic immunity, environment, emotion, personal habits and other factors. The clinical manifestations are mostly rash, papules, desquamation, redness and swelling, accompanied by itching. The course of disease is long, easy to repeat, and difficult to treat. Therefore, it is very important to do prevention and management well. This article reviews the contents of diet, environment, trace elements, exercise and scientific treatment, aiming to provide relevant reference for the prevention and management of chronic eczema.