Feeling that your eyes are on fire may be caused by conjunctivitis, dry eye and so on. 1. Conjunctivitis: it is an inflammatory disease that occurs in the conjunctival tissues, which may be caused by infection or external stimuli, etc. It will cause redness and swelling of the eyes, itchiness, fire in the eyes, increased secretion, etc. You can follow the doctor’s instructions to use levofloxacin eye drops and tobramycin eye drops, etc. for treatment. 2. Dry eye: may be due to insufficient tear secretion, eye surface damage caused by dry eyes, often accompanied by double itching, pain and burning sensation, secretion viscous phenomenon, so it will feel the eyes on fire, in severe cases, it will also lead to corneal damage and even affect the vision, you can use artificial tears, such as sodium vitrate eye drops to relieve the symptoms. Feeling eyes on fire, should immediately seek medical attention, under the guidance of the doctor to clarify the cause of the disease, standardized treatment, to avoid too much close eye use, can not stay up late, more water and vitamins, at the same time, pay attention to a light diet.