Swollen eyes after sleeping are usually caused by blepharitis, allergic blepharitis, etc. Blepharitis is a common disease in ophthalmology. Blepharitis is a common disease in ophthalmology, which refers to suppurative inflammation of the eyelids. If the pillowcase and quilt cover are not hygienic when the patient sleeps, the eyelid in contact with it may cause infection and blepharitis, and the patient will not only have swollen eyes, but also have local pain, fever, congestion and other uncomfortable symptoms, and the patient can follow the doctor’s instructions to use antibiotic eye ointment, such as levofloxacin eye ointment. Allergic patients, if allergic to the duvet cover, pillowcase, etc., can appear allergic blepharitis and other eye allergies, patients can appear eye swelling, accompanied by eyelid skin itching, flaking and other discomforts, the patient can be prescribed the use of hormone eye ointment, such as tobramycin dexamethasone ophthalmic ointment. It is recommended that patients with obvious eye abscesses consult a hospital in a timely manner to assess their condition and treat them under the guidance of a doctor.