When a child has a bag in the eye, the old people often say it is a fire or a needle’s eye, but when they go to the hospital, they diagnose it as “chalazion” and need surgery. What is chalazion and is it the same disease as “eye of the needle” in children? What are the special clinical manifestations and treatment of chalazion in children? It is a common purulent inflammatory disease. Clinically, chalazion is an acute inflammatory disease with redness, swelling, heat and pain. This means that mydriasis has obvious pain in the early stage. It requires early antibiotic eye drops, anti-inflammatory treatment, and if the abscess is obvious it also requires incision and drainage treatment. A common chalazion in children, also called a chalazion cyst, is a non-bacterial, chronic granulomatous inflammatory disease caused by obstruction of the lid gland outlet and retention of glandular secretions in the lid gland. Chalazia can be solitary or multiple and presents as a well-defined hard nodule under the skin of the eyelid without tenderness, with a purplish lesion seen on the conjunctival surface of the eyelid when the upper lid is turned. The majority of chalazia are painless in the early stages of the lesion. Adults can be treated with antibiotic eye drops, local heat compresses to help it absorb, and then surgery after a period of conservative treatment. For pediatric patients, surgical treatment is advocated to be completed as early as possible. Because in the early stage of chalazion, there is no obvious inflammatory reflection and the cyst is confined, outpatient local anesthesia surgery can be completed and the incision is on the conjunctival surface, leaving no scars on the skin. If you refuse to operate because of conservative treatment, because the lid tissue is relatively loose and weak in children, the younger the child, the faster the disease develops, coupled with the difficulty of using eye drops, sometimes a few days to secondary infection, causing acute inflammatory reaction close to wheals, swelling and pain, or even the cyst rupture, then consider surgery, the skin surface or lid conjunctival surface scarring is inevitable, and miss the best time for local anesthesia surgery The best time to perform the surgery is under general anesthesia, which requires granuloma and scar removal and dermatoplasty. The cost of treatment is relatively high, the child has to bear some risk of general anesthesia, and the skin will be scarred.