If the swelling is caused by physiological factors such as crying or drinking too much water, it usually disappears on its own in a day or so. However, if it is caused by blepharitis, blepharocysts and other diseases, it usually takes about two to six weeks. 1. Physiological factors: Excessive crying and drinking too much water may cause eye swelling. There is no need to worry about this and it usually recovers on its own. Usually, the swelling will go down in a day or so. If you want to accelerate the swelling, but also appropriate exercise to promote metabolism. 2. Wheat granuloma: patients with wheat granuloma will have redness, swelling, pain, hard nodules and other symptoms in the eye area. Most of the patients after standardized treatment, in about two weeks time, the eyes can gradually reduce swelling, or even earlier. 3. Blepharophalangeal cysts: patients with blepharophalangeal cysts will have lumps on the eyelids, accompanied by local redness, swelling and pain. Generally, after standardized treatment, it takes four to six weeks for the swelling of the eyes to gradually subside, and even longer for patients with severe symptoms. If the patient has a swollen eye, it is necessary to consult a doctor to find out the cause of the disease.