Children’s eyes bags a little puffy considerations and lack of sleep, drinking a lot of water and other physiological factors, but also consider and conjunctivitis, allergic skin disease, nephritis and so on. 1. Physiological factors: when children do not have enough sleep, drink a lot of water, overuse of the eyes, etc., may appear a little puffy eyes. 2. Conjunctivitis: Conjunctivitis is related to microbial infection, physical and chemical stimulation. Typical symptoms of patients include dry eyes, eye itching, eye foreign body sensation and increased secretion, tearing and conjunctival congestion, bulbar conjunctival edema, etc., which can be manifested as a little puffy eye bags. 3. Allergic skin disease: allergic skin disease can also cause some children’s eyes bags a little puffy, mainly with the allergic substances to stimulate the local tissue. Allergic dermatosis is related to exogenous allergen stimulation, patients are also prone to skin itching, stinging, redness and other symptoms. 4. Nephritis: nephritis and genetic factors, autoimmune disorders, etc., can also cause some children’s eyes a little puffy bags. Some patients are also prone to hematuria, proteinuria, elevated blood pressure and other symptoms. If the child’s eyes continue to be swollen, it is recommended that parents take their children to the doctor in a timely manner to clarify the cause of the disease and follow the doctor’s instructions for treatment.