There are several types of dry eyes: 1, improve the eye environment, avoid prolonged use of computers, cell phones and other electronic products, every 40-50 minutes of eye rest 10-15 minutes; 2, do not stay for a long time in an environment with poor air circulation, do not stay for a long time in the air conditioning room inside, but also easy to cause dry eyes; 3, consciously blink more eyes; 4, increase the air humidity, you can use humidifiers, 5, less contact lenses. Avoid air conditioners and fans, and don’t blow on your eyes; 5. Wear contact lenses less often; 6. Eat a light diet, avoid spicy, stimulating and greasy food, and avoid staying up late; 7. Alternative treatment.