Allergic eczema generally refers to eczema. In the acute stage, it is characterized by small pimples, papules, blisters, vesicles, oozing and intense itching on the skin surface, while in the chronic stage, it is characterized by roughness and thickening of the skin, as well as mossy changes, etc. Eczema is a chronic inflammatory skin disease, which is also related to allergy. Eczema is a chronic inflammatory skin disease, but also related to allergies, in the clinical manifestations of a variety of forms, the specific circumstances and the stage of development of the disease. 1. Acute stage of eczema: it mainly manifests some acute inflammatory manifestations, such as erythema or small papules or papules in several parts of the body, and small blisters may appear in serious cases, and even erosion and oozing may occur due to scratching. 2. Chronic eczema: mainly manifested as some chronic inflammatory changes, such as skin thickening, skin becomes rough and moss-like changes, usually accompanied by different degrees of itching. Due to the different physical condition of individuals, the clinical manifestations may also have some differences, the specific conditions need to be consulted by a doctor first.