Corneal damage can occur when a patient’s eyes are damaged by an external force, it can also be caused by chemical irritation of the eyes, and it can be caused by congenital factors. Because the cornea is an important refractive interstitium, if damaged, it can affect the patient’s vision. Patients with corneal damage will not only experience vision loss, but may also experience discomfort such as eyelid spasms, tearing, foreign body sensation and pain in the eyes, and in severe cases, corneal edema and ulcers may occur. Patients should pay attention to maintain eye hygiene in daily life, avoid watching electronic products for a long time, and also avoid eating spicy and stimulating food, avoid chemical stimulation and avoid secondary injury. It is recommended that patients with corneal injury should consult the hospital in time to assess their condition and follow the doctor’s instructions for treatment.