Swollen eyes may be caused by lack of sleep, eye inflammation, cardiac and renal insufficiency, etc. Patients can choose appropriate treatment according to the cause, such as attention to rest, medication and so on. 1. Lack of sleep: If the patient’s eyes are swollen due to prolonged late-night sleep, the patient needs to develop a good work routine, pay attention to rest, and get proper sleep, so as to promote the swelling of the eyes to go down. 2. Eye inflammation: blepharitis, dacryoadenitis, orbital acute cellulitis and other ocular inflammatory diseases, patients can also appear eye swelling, but also eye congestion, photophobia, tearing and other uncomfortable symptoms, the patient can follow the doctor’s instructions to use levofloxacin eye drops, tobramycin eye drops and other medication, control inflammation, and promote the recovery of the condition. 3. Cardiac and renal insufficiency: cardiac and renal insufficiency patients because of water retention, patients may appear eye swelling, may also appear lower limb swelling, patients can follow the doctor’s instructions to use furosemide and other diuretics treatment, promote edema subside. It is recommended that patients with obvious eye swelling consult a doctor in time to assess their condition and follow the doctor’s instructions for treatment.