Children’s eyes are swollen mainly with too much water before going to bed, conjunctivitis, blepharitis and other reasons related to the different causes of different treatments, it is recommended to further examination, to clarify the causes, for treatment. 1. Drinking too much water before going to bed: Drinking too much water before going to bed, the body can not be well discharged water, resulting in the next day to wake up the eyes or the body of the feeling of swelling, is a normal physiological reaction, do not need to worry too much, you can through the ice pack for cold compresses, to help reduce the swelling, alleviate the symptoms. 2. Conjunctivitis: Inflammation of the small blood vessels in the conjunctiva due to a variety of reasons, there will be swelling of the eyes, usually accompanied by itchy eyes, dryness, increased secretion in the corners of the eyes and other symptoms. 3. Blepharitis: The sebaceous glands or blepharoplasty glands at the root of the eyelash follicles at the edge of the eyelid become infected and form a red, painful lump, causing the symptoms of swollen eyes, which are usually accompanied by pain, congestion, and tearing. In daily life, you should eat a light diet, avoid spicy and stimulating foods, and ensure sufficient sleep, which can improve the situation of swollen eyes.