There are many reasons for eye pain, such as, long time looking at the cell phone computer, high intraocular pressure, dry eye, uveitis, keratitis, scleritis, optic neuritis, granuloma, etc., usually pay attention to avoid looking at the cell phone computer for a long time, don't stay up all night, pay attention to rest, and don't eat spicy and stimulating things, and don't be overworked, etc.