The obvious answer is no! Eczema is an inflammatory reaction of the skin caused by a variety of factors, external factors, humid climatic conditions of the living environment, ultraviolet light, cold, dry, sweaty, scratching and friction, as well as plants, chemical irritation, etc., and daily necessities such as cosmetics, soap, artificial fiber applications can trigger eczema, some food can also aggravate eczema, intrinsic factors such as chronic digestive diseases, gastrointestinal dysfunction dysfunction, mental stress, fatigue, insomnia, infection and endocrine dysfunction, etc., can produce or aggravate the condition of eczema, eczema can be divided into two types of acute and chronic: 1, acute eczema: the rash is characterized by symmetrical occurrence of erythema, papules, papules, blisters and other polymorphic lesions, unclear boundaries, self-pruritus, easy exudation, often accompanied by secondary changes such as erosion, crusting, pus, commonly occurring in the face, ears, hands and feet, calves The prognosis is easy to recur. 2. Chronic eczema mostly evolves from acute and subacute, mainly on the extensor side of the calf, hands and feet, elbow sockets, knee sockets, vulva, perianal area and lower abdomen. The lesions are limited skin infiltration thickening, brown or gray. Some of the affected areas and joints are prone to cracking. Chronic eczema has a long duration and is prone to recurrent attacks.