There are three possible causes for frequent swelling of the eyelids: First, if there is frequent redness, tenderness or blinking pain, there may be frequent attacks of wheals, often due to inflammation of the lid gland caused by bacterial infection, related to one’s resistance and lifestyle habits or related to mite infection. If there are frequent episodes, you need to go to the hospital to check for mites or the presence of chronic conjunctivitis in order to take targeted treatment. Second, if frequent edema, may be related to systemic metabolic factors or allergies, systemic metabolic factors including cardiac or renal insufficiency caused by poor metabolism and lead to. If such problems are ruled out, the edema may be caused by allergies. Allergies can be treated with oral loratadine pills or using olopatadine drops for anti-allergy treatment, which will subside relatively quickly.