Two-year-old baby eyelid swelling, may be physiological edema, may also be due to eye allergies, eyelid infection, eye trauma or systemic diseases. 1. Physiological edema: if the two-year-old baby sleep posture is poor or long time crying, the child may appear eyelid swelling, belong to physiological factors, generally no special treatment, rest can gradually ease. 2. eye allergy: allergic baby if contact with dust mites, pollen and other allergens, children with eye allergies, children can appear eyelid swelling, eyelid itching and other symptoms. 3. eye infection: blepharitis and other eye infections in children, under the stimulation of inflammation, the child may appear eyelid redness and swelling, but also photophobia, tearing, conjunctival congestion and other uncomfortable symptoms. 4. Systemic diseases: If the two-year-old baby suffers from heart disease, kidney disease, iron deficiency anemia and other diseases, the child may also appear eyelid swelling and other discomforts. It is recommended that children with obvious swelling of the eyelids consult a doctor in time to assess their condition and follow the doctor’s instructions for treatment.