To eliminate red, swollen and itchy eyelids, you need to find the cause of the problem and treat it. Antiallergic eye drops are used for allergies, glucocorticoids are used for eczema or insect bites, and antibiotics are needed for wheals. The clinical symptoms of red, swollen and itchy eyelids can occur when there are systemic allergies or eye allergies. At this time, you need to immediately find and away from the allergens, but also through the sodium cromoglycate eye drops or oral cetirizine hydrochloride drug to relieve the symptoms. Note that the above drugs are contraindicated in people with renal insufficiency and newborns. If the redness, swelling and itchiness of the eyelids caused by insect bites do not subside on their own but worsen, mometasone furoate cream can be used externally. Eczema can also cause redness, swelling and itching, and can be treated with glucocorticoids, such as hydrocortisone cream. Staphylococcal infections can cause granulomas, which can present with clinical symptoms such as redness, swelling, heat and pain, and hard lumps. It can be treated with antibiotic ofloxacin eye drops. Before use, you should pay attention to the absence of antibiotic allergy. The medication should be administered under the supervision of a doctor.