Firstly, find a place to sit or lie on your back with you head slightly backward. Secondly, gently separate your eyelids with your left thumb and index finger, keeping your eyes look up. Thirdly, use your right hand holding the eye drops and drip 1 to 2 drops into your eyes. Last, close your eyes for 1 to 2 minutes gently. You should also pay attention to the following points when you use eye drops: first, 1 to 2 drops are enough, avoid dripping excessively; use them under the doctor's guide; wash your hands before you use them. You should take good care of your eyes and timely seek medical advice if there is something wrong with your eyes.