Dry eyes can be a normal physiological phenomenon, but it can also be caused by dry eye, blepharitis and other diseases. It is recommended to go to the hospital to clarify the cause of the disease if it cannot be relieved by rest. 1. Physiological phenomenon: when the patient excessive use of the eyes, resulting in eye fatigue, there will be symptoms of dry eyes and fear of the wind. This can be relieved by hot compresses, and at the same time, we should pay attention to improving eye habits, rest and relax the eyes after using the eyes for a period of time. 2. Pathological phenomena: when suffering from dry eye, the tear film on the surface of the eye is not stable, the patient will have a foreign body sensation, dryness, fear of the wind and other symptoms, need to be actively on the cause of the symptomatic treatment; if blepharitis, due to blepharitis function is impaired, resulting in tear secretion obstacles, but also easy to lead to the eye dryness, fear of the wind, foreign body sensation and other discomforts. If your eyes are dry and windy, and you can’t get any relief for a long time, we recommend that you go to the hospital and get a clear picture of the cause of the problem, and then go to the doctor’s office for treatment.