The redness and swelling of the corners of the eyes of children may be caused by blepharitis, blepharospasm cysts, blepharitis and other reasons. 1. blepharitis: children often rub their eyes, easy to cause bacteria such as staphylococcus aureus into the eye, which in turn causes inflammation of the eyelid glands, the patient’s eyelid skin can appear limited redness, swelling, burning, pain and other symptoms, adjacent to the conjunctiva edema, can be touched to the obvious hard knot. 2. Blepharophalangeal cysts: due to blepharophalangeal glands and their chronic conjunctivitis, blepharitis, etc., resulting in glandular epithelial hyperkeratosis, glandular duct obstruction, glandular secretion formation of chronic granulomatous inflammation, so that the patient may appear in the eyelid single or multiple painless nodules. 3. Blepharitis: Dust and germs may lead to inflammation of the surface of the lid margin or eyelash root infection, which in turn leads to the appearance of red bumps at the corners of the eyes. It is recommended that children with red, swollen bumps at the corners of their eyes be seen promptly for evaluation of their condition and treatment as prescribed by their doctor.