If the eyes need to use a variety of eye drops at the same time because of certain diseases, the interval between each kind of eye drops should be 2-3 minutes, on the one hand, can avoid too many eye drops at the same time to the eyes are flowing out, can not play the proper role. On the other hand, it can make the eye drops fully and evenly distributed in the conjunctival sac, so as to play an effective therapeutic role. After the eye drops are ordered, it is generally recommended to close the eyes for 2-3 minutes, and the tear dots need to be properly pressed to reduce the absorption of the eye drops, which is the correct way to order the eye drops. If there are eye diseases, you need to use a variety of eye drops at the same time, you must follow medical advice regular medication to make the disease recovery faster.