Red, swollen and painful eyes are generally considered to be due to trauma, infection (such as blepharitis, conjunctivitis, etc.), but also may be suffering from glaucoma and other conditions. 1. trauma: eye trauma will appear after the symptoms of redness, swelling and pain, you need to use the first ice compresses and later hot compresses to reduce swelling and pain. 2. Blepharitis: commonly known as granuloma, manifested in the eyelid glands appear red and swollen lumps, accompanied by pain. Local topical levofloxacin eye drops, erythromycin ointment, etc., abscess formation needs to be incised and drained. 3. Conjunctivitis: Conjunctivitis patients will have red eyes, conjunctival edema, pain and other manifestations, need to go to the hospital to determine the type of infection, for example, bacterial conjunctivitis can be used topical tobramycin drops, levofloxacin eye drops, etc., and viral conjunctivitis can be used topical acyclovir eye drops. 4. Glaucoma: When glaucoma attacks, there will also be red, swollen and painful eyes, accompanied by headache, nausea and vomiting, vision loss and so on. Glaucoma can be treated with medication, such as topical application of burberry, brinzolamide, etc., or surgical treatment. Red, swollen, swollen eyes need to go to the hospital ophthalmology consultation in time, after the cause is clear, follow the doctor’s instructions for treatment, medication, do not self-medication, in order to avoid adverse consequences. In the course of treatment, eat less spicy and stimulating food, use your eyes healthily and rest more.