Patients with eye pain must identify the causes, common causes include glaucoma, iridocyclitis, corneal epithelial damage, etc. Patients must follow the doctor’s instructions to use medication to promote pain relief. 1. Glaucoma: Glaucoma patients with elevated intraocular pressure, eye swelling and pain can occur, the patient can be used through intravenous infusion of mannitol or eye use of hairy fruit rutaecarpine drops and other drugs to reduce intraocular pressure, in order to alleviate the symptoms of eye discomfort. 2. iridocyclitis: iridocyclitis patients because of inflammation stimulation, eye pain can occur, patients can follow the doctor’s instructions to use hormone drugs to inhibit inflammation, relieve discomfort symptoms, such as tobramycin dexamethasone eye drops. 3. Corneal epithelial injury: eye trauma patients can appear corneal epithelial injury, resulting in eye pain, patients can follow the doctor’s instructions to use drugs to promote corneal repair, such as recombinant human epidermal growth factor drops, etc., to alleviate the discomfort of the eye. It is recommended that patients with significant eye pain consult a doctor to assess their condition and follow the doctor’s instructions for treatment.