Eczema is not contagious. Eczema is a common allergic skin disease that is not contagious. Eczema is an inflammatory disease of the epidermis and superficial dermis caused by a variety of factors. Typical symptoms are polymorphic, exudative lesions, which can be accompanied by intense itching. In the acute phase, herpes papules predominate, and in the chronic phase, mossy changes may be present. The pathogenesis of eczema is mainly a type IV allergic reaction. It is a T-cell mediated immune injury, when the antigen or semi-antigen into the body can stimulate T-cell proliferation, differentiation into specific sensitized lymphocytes, which leads to the production of related symptoms. Eczema is not contagious to others, and the prevalence of the disease is higher in allergic individuals. Eczema is not a contagious disease, after diagnosis, you should actively cooperate with the doctor’s treatment, do not delay, so as not to delay the condition.