The reduction of dry eye discharge is usually not a single indicator of improvement, but rather a combination of symptoms such as relief of eye discomfort. Dry eye can have photophobia, foreign body sensation, burning sensation, dryness and other discomfort symptoms, actively remove the cause of the disease, medication and treatment, these discomfort symptoms have been relieved, mostly suggests that there is improvement. Dry eye patients should avoid prolonged use of computers, minimize exposure to air conditioning, smoke and dust environment and other unfavorable environment that induces dry eye. They should also take appropriate exercise to relieve tension, and pay attention to a balanced diet rich in vitamin-rich green vegetables and other foods.