The common causes of swollen right eyelid are eye trauma, insect bite dermatitis, blepharitis, chalazion, etc. In terms of treatment, you can mainly take general treatment, medication, surgery and other ways. 1. Eye trauma: If the right eye is hit by an external force, the right eyelid is swollen. After the injury, cold compresses should be applied to the local area in a timely manner, which is conducive to reducing oozing and relieving eye swelling. When the injury has been more than 72 hours can follow the doctor’s instructions hot compresses, is conducive to improving local blood flow, relieve clinical symptoms. 2. Insect bite dermatitis: If the mosquito bite leads to insect bite dermatitis, caused by the right eyelid is swollen, can be rubbed with glycerite lotion to stop itching. If the symptoms are serious, the doctor can guide the topical rubbing compound flumethasone ointment, hydrocortisone butyrate cream and other ointments, which is conducive to anti-inflammatory, anti-itching, relieve the above symptoms. 3. Blepharitis: If the right eyelid is swollen due to blepharitis, if the symptoms of bacterial infection are serious, you can apply tobramycin eye drops, levofloxacin eye drops and other antibiotic eye medicines to promote the inflammation to subside. At the same time, it can be combined with ultra-short wave physiotherapy to promote the absorption of hard nodules and improve clinical symptoms. 4. Chalazion: If the right eyelid is swollen due to chalazion, generally there is no need for special treatment, and it can be gradually absorbed by itself. You can also apply local hot compresses to promote the absorption of the lump. If the lump can not be absorbed for a long time, you need to consider surgical treatment, such as incision and scraping, which is conducive to the complete removal of chalazion. Right eyelid swelling may also be other reasons, should be as soon as possible to seek medical attention, clear cause, by the doctor’s guidance treatment, especially to avoid blind use of drugs, need to follow the doctor’s instructions for medication.