Corneal dry spots are one of the most common winter eye diseases in ophthalmology. Due to the cold climate and low humidity in winter, dry air and sandy wind can cause excessive evaporation of tears. If the eye tear secretion is insufficient or its distribution is not uniform, the tears can not keep the surface of the eye moist and cause eye dryness, foreign body sensation, burning sensation, blurred vision, easy to visual fatigue, itchy sensation, photophobia, redness and swelling accompanied by viscous filamentous secretion and so on, affecting the patient’s visual quality and quality of life, and may even bring a burden on the patient’s mind. Heavy eye symptoms can be used without preservatives artificial tears and increase the number of closed eyes, especially the operation of the video screen terminals often close the eyes for a moment of rest, can be prevented due to prolonged exposure of the eyeballs, water evaporation caused by the dryness of the fast, it is very important to improve the relief of visual fatigue and dryness, the cold climate in the winter, the sunshine is less resulting in the body’s energy and vitamin A consumption of large can be added to the attention of fatigue dryness and other discomforts, in order to improve the symptoms, guide the Patients drink more water, diet should be light, nutritious and easy to digest food, eat more fresh vegetables and fruits. Can choose foods rich in vitamin A, protein, such as lean meat, animal liver, milk, eggs, carrots, leeks, spinach, tomatoes, soy products and nuts and nuts rich in vitamin A, B, C, E and β-carotene food, in order to help supplement the liver and eyesight, relieve visual fatigue to improve the symptoms of dryness.