Waking up with swollen eyes usually does not have a quick way to reduce the swelling. Cold compresses and medication can be used to promote the swelling of the eyes to subside. Swollen eyes can be caused by prolonged crying at night or improper sleeping posture, eye inflammation caused by unhygienic eye use. 1. Cold compresses: prolonged crying at night or sleeping in an inappropriate position and other reasons, resulting in waking up with swollen eyes. Appropriate cold compresses can be applied to the eyes, which is conducive to promoting local capillary contraction and improving the performance of swollen eyes. 2. Drug treatment: due to unhygienic eye use, induced keratitis or conjunctivitis and other inflammatory diseases of the eye. Need to consult a doctor for a clear diagnosis, if the bacterial infection of the eye surface, according to the doctor’s guidance to use anti-infective eye drops to be treated, such as tobramycin eye drops, erythromycin ophthalmic ointment, ofloxacin ophthalmic ointment and so on. Waking up with swollen eyes can generally be relieved on their own, daily attention should be paid to avoid drinking a lot of water before going to bed, staying up all night, crying and other undesirable behaviors that may cause waking up with swollen eyes.