Eyelids long ringworm is mostly considered to be fungal infection caused by ringworm, also can not be ruled out is white furfur, psoriasis and other diseases caused. 1. Ringworm of the face: ringworm of the face is caused by fungal infection, caused by ringworm of the face of a number of reasons, common such as excessive exposure of the affected tissues, or close contact with animals, fungal infections to the affected tissues, triggered by erythema, or excessive cleaning of the face caused by a reduction in the amount of sebum secretion, when the sebaceous membrane is missing, the weakly alkaline inhibitory environment is destroyed, triggered by ringworm of the face. 2. White chaff rash: white chaff rash is also called tinea versicolor, which mostly occurs in children and has many causes, such as prolonged exposure to wind and sun, malnutrition, lack of vitamins, or dryness of the affected tissues, excessive cleaning, etc., which can all lead to this disease. 3. Psoriasis: psoriasis is a common recurrent chronic inflammatory skin disease. When the patient’s serum sugar, cholesterol and other components keep increasing, the folic acid content will be decreased, which can interfere with basal cell division, leading to abnormal keratinization of epidermal tissues, producing silver-white scales and other pathological phenomena. Eyelids long ringworm may also be caused by other reasons, it is recommended that the patient timely to the hospital, improve the examination to clarify the cause of the disease, under the guidance of the doctor symptomatic treatment.