The upper eyelid, where the upper eyelid is located, has a relatively loose tissue structure and is prone to swelling and other lesions. There are many causes of upper eyelid swelling, such as wheals caused by inflammation of the eyelid, blepharocysts caused by obstruction of the blepharoplasty glands, edema of the eyelid tissues caused by allergic reactions, and swelling of the upper eyelid secondary to other conditions of the body. Depending on the specific cause of the disease, it needs to be treated in different ways, but the general principles of treatment are mainly medication and surgery. If the swelling of the upper eyelid is caused by a wheal or a blepharocyst, topical or systemic medication can be chosen in the early stage, i.e., within two weeks, and if the medication does not have a satisfactory effect, surgical excision can be chosen. If the swelling of the eyelid tissue is caused by allergic reaction, it is mainly treated by applying anti-allergic drugs, which can be chosen as topical eye drops, oral medication or systemic anti-allergic drugs. If the disease is secondary to systemic diseases, it is necessary to treat the cause of the disease, the most common disease is kidney function problems, kidney disease can cause localized edema of the upper eyelid tissues of both eyes. In addition, excessive eye fatigue can also cause swelling of the upper eyelids, the main treatment for this situation is to pay attention to rest, and then local hot compresses can be relieved.