The common cause of glaucoma is high intraocular pressure causing damage to the optic nerve, should maintain a regular diet, light-based, eat more easily digestible, high fiber content of food. 1. Glaucoma should be regular diet, do not overeat, avoid drinking strong tea, smoking and drinking and eating spicy and stimulating food, in order to stabilize the blood vessels and nerves, to prevent the blood circulation load caused by high intraocular pressure, aggravate the symptoms of glaucoma. 2. Eat more fresh vegetables, fruits, coarse grains and other foods rich in vitamins and crude fiber, which can replenish nutrients and help digestion, avoiding acute attacks of glaucoma induced by constipation. 3. Eat honey, watermelon, loofah and other diuretic foods, which can reduce aqueous humor production and accelerate the absorption of aqueous humor, which is conducive to lowering intraocular pressure. Do not drink a lot of water for a short period of time, so as not to induce an acute attack of glaucoma. Glaucoma is a common clinical eye disease, once diagnosed should strictly follow the doctor’s instructions, regular medication, healthy diet.