Eyelash extensions eye swelling may be blepharitis, eyelid eczema, conjunctivitis and other diseases, need to take general measures, medication, surgical treatment for the cause. 1. Blepharitis: the main symptoms are eye stinging, eyelid margins red and swollen. Patients need to use saline to clean the eyelid margins and apply hot compresses appropriately. Meanwhile, glucocorticosteroids, such as prednisolone and hydrocortisone, should be used as prescribed by the doctor. When there is a suppurating lesion in the eye, incision and drainage is necessary. 2. Eyelid eczema: Typical symptoms are redness, swelling and burning sensation of the eyelids. Patients need to follow the doctor’s instructions to use glycerine lotion, or 3% boric acid solution, saline wet compresses, but also need to follow the doctor’s instructions to use chlorpheniramine, cetirizine and other antihistamines. 3. Conjunctivitis: the main symptoms are redness, swelling and dryness of the eyes. Bacterial infections are prescribed to use levofloxacin, tobramycin antibiotic eye drops; allergic conjunctivitis need to be prescribed to use antihistamine eye drops, such as emetine fumarate, levocabastine hydrochloride, etc., as well as glucocorticosteroids, such as dexamethasone, betamethasone and so on. It is recommended that patients with swollen eyes with eyelash extensions go to the hospital, cooperate with the doctor to actively treat the primary disease, and strengthen the management of eye hygiene.