Green itself does not have any eye-protective function, look at the computer caused by eye fatigue of the following main causes: 1, the patient’s whole body has diabetes, rheumatic diseases, hyperthyroidism and other prone to dry eyes, visual fatigue. These people need to drop artificial tears type eye drops. 2, the age of about 45 years old, presbyopia did not match the right eyes, look at the computer presbyopia than reading newspapers to about a hundred degrees lower. Nearsightedness, especially the relatively high degree of computer reading also need another pair of glasses. 3, the difference between the degree of myopia in both eyes is relatively large, or astigmatism is relatively large. This kind of people are best with rigid corneal contact lenses to correct refractive error. 4, poor sleep, stay up late, weak after illness, easy to see fatigue. These people need to rest and reduce the time spent with the eyes. 5, environmental factors: indoor temperature, humidity is not good. Winter temperature should be around 18-22 degrees, indoor need a certain humidity. Computer screen placement position in the middle, look at the screen line of sight is best slightly down, to avoid the computer screen position to turn your head to see. The computer is best to use the LCD screen to reduce flickering light. Computer screen font settings are best not to use contrasting complementary colors, it is recommended to use a light yellow background black letters. Although the green itself does not have the effect of eye protection, but in between work to see the green plant is still very good, because the green can bring a calm psychological feeling, change the monotonous working environment can also make people happy mood.