Swelling in the eyes in the morning can be reduced by changing lifestyle habits if it is physiological; if it is caused by allergy, antihistamines can be given; inflammatory edema (boils on the eyelids, blepharitis) can be given anti-inflammatory treatment with antibiotics. If it is caused by nephritis, diuretics can be given. 1. Physiological edema: Drinking too much water before going to bed, insufficient sleep quality, excessive fatigue and so on lead to edema of the eyes, which can be gradually reduced by keeping enough sleep and drinking as little water as possible before going to bed. 2. Allergy: caused by contact with allergic substances, can be given antihistamines, such as cetirizine, loratadine and other treatments. 3. Inflammatory edema: such as eyelid boils, swelling caused by blepharitis, local erythromycin ophthalmic ointment can be applied, if necessary, oral cefaclor, amoxicillin and other antibiotics anti-inflammatory treatment. 4. Nephritis: Nephritis causes eye swelling, to limit sodium and water intake, give furosemide, spironolactone and other drugs. There are many reasons for morning eye swelling, it is recommended that you seek medical attention to identify the cause of the disease and follow the doctor’s instructions for treatment, the drug should be taken under the guidance of a physician.