Eye pain is a common occurrence in everyday life and can occur in people of all ages. There are many causes of eye pain, the common ones being eye trauma, eye inflammation and after eye surgery. Depending on the nature of the eye pain described by the patient, it can correspond to different eye diseases, so the ultimate thing to do before treatment is to find the cause of the pain and treat it for that cause. If the eye pain is caused by conjunctivitis, keratitis, sclerenitis, etc., often manifesting as grinding pain and a foreign body sensation, topical medication can be chosen, mainly by applying anti-inflammatory eye drops and eye ointments. Blepharocysts and mydriasis can also cause eye pain with local redness and swelling, and when the patient is touched with the hand, the pain often increases. Some eye surgeries can cause pain in the eyes after anesthesia, but this pain is usually temporary and will recover slowly in a week or so with the routine use of eye drops after surgery. In acute attacks of glaucoma, there will be eye swelling and pain, which can be accompanied by ipsilateral headache. It is best to seek medical attention as soon as possible in this case to avoid delaying treatment and serious consequences. In addition, in the case of eye fatigue will also appear eye pain, such as prolonged close eye, long-term exposure to electronic products, often stay up late, etc., the treatment of this situation, generally pay attention to rest, can be localized hot compresses, and then can be used with some eye drops to relieve fatigue, generally will slowly recover.