The eyelids suddenly swell up with a large bag, generally speaking, the common causes are mainly the following: 1. The lid gland cyst, the lid gland opening at the lid margin, if the outlet of the obstruction, will cause a large accumulation of secretions and the formation of a lump, at this time there is no obvious pain symptoms. Once bacterial infection is present, the lentigo will form, and the eye will become visibly red and painful. The eye can be treated with topical antibiotic drops, such as levofloxacin drops. Local hot compresses are applied to improve local blood circulation and reduce the symptoms of swollen eyelids and bags. For patients whose symptoms cannot be relieved, they can go to the hospital as soon as possible for surgical incision and symptomatic treatment.2. Patients with long-term strain, staying up late and poor rest can cause excessive eye use, eye bulging, and the formation of dark circles. At this time, patients need to take sufficient rest, avoid looking at cell phones and computers for a long time, and improve the work and rest routine to reduce the symptoms of eye bulging.