There are many causes of dry eyes, such as dry eyes, visual fatigue or long-term use of eye drops, etc. All these conditions can cause dry eyes, of which the most common cause is visual fatigue and dry eyes. Treatment requires reducing eye use, looking at cell phones and computers less, participating in more outdoor activities, resting more, and ensuring sufficient sleep, on top of which artificial tears can be used, the more commonly used artificial tears are sodium glass acid eye drops, 2-3 times a day. In addition to using eye drops, you can also pour a cup of hot tea and put it under your eyes to fumigate, this method is safer. If the home environment is dry, a dry environment can also aggravate dry eyes, you can buy a humidifier to make the environment moist. You can also blink your eyes more often and blink more often. This method is simple and effective, and blinking more often can keep your eyes moist and also allow them to get some degree of rest and relaxation. If the dryness does not improve after a period of time with the above treatments, you need to visit an ophthalmologist to determine the cause and then take different treatments according to the different causes.