Clinically there is no such thing as the three foods most feared by keratitis, but keratitis patients should eat a light diet and avoid large amounts of spicy and irritating foods. Patients with keratitis should avoid eating a lot of spicy, irritating foods, such as peppers and onions, but there is no such thing as the three most feared foods in patients with keratitis. Keratitis patients who eat and drink spicy and irritating foods may aggravate the local inflammation of the eye, which is not conducive to the recovery of the condition. Therefore, in addition to treatment with drugs, keratitis patients need to pay attention to the diet, the diet should be light, nutritious, but also can eat more food rich in high protein, to enhance the body’s resistance, and promote the recovery of the disease. It is recommended that patients with keratitis consult a doctor in a timely manner to assess their condition and follow the doctor’s instructions for treatment.