Steps / methods 1, hand washing – to infectious conjunctivitis contact with patients before and after hand washing Oh; 2, check the eye drops: bottle label within the expiration date, shelf life: one month after opening (January after the eye drops have a lot of bacteria); liquid without turbidity, deterioration, precipitation or flocculent; 3, unscrew the eye drops lid, correctly placed lid to avoid pollution; 4, open the lid and squeeze out a drop of waste first (ointment the same); 5, eye upward gaze; 5, the left hand with the middle and ring fingers gently open the lower eyelid into a bag; right hand holding eye drops or eye ointment; 6, take a lying or sitting position. 5.Gaze upward with your eyes, left hand with middle and ring fingers to gently pull down the lower eyelid into a bag; right hand holding eye drops or eye ointment; 6.Take a supine or sitting position, tilt your head back slightly, open your eyes with one hand index finger to gently fix the lower eyelid at the lower edge of the orbit (please do not press the eyeball). With the other hand, hold the eyedrop bottle about 3 cm above the eye and apply 1-2 drops of eyedrop vertically downward into the lower dome, release the lower eyelid and rest for 5 minutes with eyes closed. Do not blink, and gently press the nasolacrimal duct at the inner corner of the eye with your finger (to reduce systemic absorption of the drug, which is important for pregnant women, children and other patients who need to reduce systemic side effects) for at least two minutes to slow down the drainage of the drug; 7. The two eye drops should not be dropped at the same time, and should be separated by 5-10 minutes. If you need to order eye drops and eye ointment at the same time, you should order the eye drops first and then wipe the eye ointment after five minutes; 8, atropine, pilocarpine and other types of eye drops, after dropping, apply cotton balls or cotton swabs to compress the tear sac area for 2~3 minutes. Caution 1, eye drops should not be dropped directly on the cornea, do not force the eyes closed to prevent spillage, and do not make the mouth of the bottle touch the eyelids, eyelashes or other items to avoid contamination; 2, if the doctor ordered more than two eye drops, different eye drops should be alternated, each interval of about 10 minutes, and the eye drops should be shaken well before each use.