Swollen eyes may be caused by physiological factors, local inflammation, allergies, systemic diseases. There are different treatments according to different causes, which can be treated by physical therapy, medication and surgery. 1. Physiological factors: swollen eyes are mostly caused by not having a good night’s rest or crying for a long time, which generally do not need treatment and can recover by themselves. In addition, you can relieve swelling by applying cold compresses locally, soak a towel in cold water, wring out the water and put it on your eyes, which can effectively relieve edema. 2. Local inflammation: blepharitis, conjunctivitis and other diseases can cause eye swelling, can be relieved by taking anti-inflammatory drugs, such as amoxicillin, cephalosporin and other anti-inflammatory drugs, but also the local use of erythromycin ointment, levofloxacin ophthalmic solution and other medications to promote inflammation, the symptoms of serious cases can be considered for surgical treatment, incision and drainage drainage of pus. 3. Allergy: If the patient is exposed to substances that can cause allergy, it may cause eye swelling, and the patient can take Benadryl, Loratadine and other drugs under the guidance of the doctor for anti-allergy treatment. 4. Systemic diseases: eye swelling may also be due to systemic diseases, such as kidney disease, hypothyroidism and other diseases, the patient needs to go to the regular hospital to do a comprehensive examination, to clarify the cause of the disease, according to the cause of targeted treatment. Swollen eyes may also have other reasons, if the long-term symptoms of swollen eyes, it is recommended that patients go to the hospital in a timely manner, to do further examination, so as not to delay the condition.