Malassezia, also known as pinhole and blepharitis, is an acute purulent inflammation of the sebaceous or lid glands near the eyelash follicles. Since the infection is located on the head and face and the surrounding tissue is loose, self-squeezing and picking should be avoided. Watch the temperature and blood picture to avoid spreading the infection. The wheals are divided into two types: internal and external wheals: 1. External wheals are usually close to the skin surface. It is an acute purulent inflammation of the Zeis gland (Zeis gland). Surgery requires an external incision and may leave a shallow scar on the skin. 2. Internal mydriasis Usually on the inner side of the eyelid. It is an acute purulent inflammation of the lid gland. Surgery is performed through the conjunctival surface of the lid without scarring of the skin. Treatment: 1. Local hot compresses. At least 15 minutes x three times daily; 2. Avoid hot, greasy, spicy diet. Drink more water; 3, adjust lifestyle habits, go to bed early, keep bowels open, etc.; 4, local infection can be used antibiotic eye drops, oral cephalosporin, etc.; 5, infection control, lumps do not recede can consider surgery. Surgery is usually performed after 2-3 weeks. Children’s wheal swelling General internal fire in, not with hot compresses, surgery requires general anesthesia. Suggest parents 1, drink more water, you can drink some mung bean soup and other cool food that children can easily accept; 2, avoid greasy, eat more vegetarian dishes. Keep the bowels open; 3, local infection should be promptly consulted; 4, general anesthesia is very safe, should not be overly entangled; 5, children’s surgery appointment cycle is long, to make early plans. Chalazion does not have an infectious process, and the treatment is similar to that of mydriasis.