There are no special tricks to eliminate the symptoms of red, swollen, itchy eyelids. Eyelid redness and itchiness can be caused by physiological factors such as staying up late and overuse of the eyes, or pathological factors such as contact blepharitis, blepharitis, or eyelid eczema. People who use electronic devices for long periods of time, stay up late, or have short rest periods are prone to dry eyes and itchy eyes, and if they rub their eyes at this time, they can experience red, swollen, and itchy eyelids. Note to avoid prolonged use of electronic devices, pay attention to rest, do not stay up late, avoid rubbing the eyes. In addition, mosquito bites are one of the common causes of eyelid redness and itchiness, usually unilateral eyelid redness and itchiness, pay attention to avoid scratching, can be appropriate cold compresses to relieve itching, usually faster to reduce swelling and itching. Pathological factors lead to 1. Contact blepharitis: the main manifestation is red, swollen and itchy eyelids. Patients should immediately stop contact with allergens. Common allergens include antibiotic drops for the eyes, cosmetics, hair dyes, medical tape, animal hair, and food. In the acute stage, cold wet compresses of saline or boric acid solution can be applied to the eyes to relieve the symptoms of itchy eyes. Apply anti-inflammatory and anti-allergic eye drops, such as olopatadine hydrochloride eye drops and emetine fumarate eye drops, as prescribed by the doctor, and apply antihistamines, such as loratadine, systemically if necessary. When the patient’s reaction is severe, oral hormonal medications are required for treatment. 2. Blepharitis: Subacute or chronic inflammation of the lid margin surface, eyelash follicles and their glandular tissues can lead to itching, stinging and burning sensations in the eyes, while localized redness and swelling of the eyelids can occur. At this time, irritants should be avoided, the trigger removed, and those with combined refractive errors should be given correction; if there are systemic chronic diseases, they should be treated at the same time. In addition, it is necessary to enhance nutrition, exercise, strengthen the body’s resistance, and reduce the stimulation of alcohol and tobacco. The eyelids should be cleaned locally with saline or boric acid solution, and then treated with antibiotic eye ointment under medical supervision. For blepharitis of the canthus, it needs to be treated with zinc sulfate drops. 3. Eyelid eczema: Patients have a distinct itching and burning sensation on the lids, and the eyelid skin appears red and swollen. The patient should pay attention to eye hygiene, keep the eye skin clean, avoid using cosmetics indiscriminately, use antihistamines for desensitization as prescribed by the doctor, and also apply localized wet compresses such as glycolic lotion, boric acid water or physiological saline. For dry eyes, artificial tears can be given to relieve.