Swollen eyes when the baby wakes up may be due to improper diet, prolonged crying, poor rest or eye allergies, kidney disease, etc. The child needs to be treated according to the specific causes, through timely adjustment of diet, rest and relaxation, medication, etc., to alleviate eye discomfort. 1. Improper diet: If the baby consumes too much food with high salt content the day before, it is easy to have swollen eyes after waking up the next day, and can also adjust the baby’s diet to reduce the intake of food with high salt content, to alleviate the symptoms of eye swelling and other discomforts. 2. Improper work and rest: if the baby due to crying too much, not enough sleep at night, etc., can also lead to children with swollen eyes, the need to calm the baby in time and other methods to help adjust their work and rest, so as to alleviate the child’s swollen eyes. 3. Eye diseases: eye allergies and other eye diseases can lead to eye swelling, the patient can follow the doctor’s instructions to use sodium cromoglycate eye drops and other medications to relieve eye discomfort. 4. Kidney disease: acute glomerulonephritis, nephrotic syndrome and other renal diseases in children, because of renal insufficiency, children may appear eyelid edema, may also be accompanied by lower limb edema and other symptoms, patients can follow the doctor’s instructions to use furosemide and other drugs, to promote the swelling to subside. It is recommended that children with significant eyelid edema consult a doctor for evaluation of their condition and treatment as prescribed by the doctor.