Keratitis may be caused by bacterial, fungal, viral and other pathogenic microbial infections, mostly local treatment, if the condition is serious, patients can follow the doctor’s instructions oral antibiotics (such as cefixime), antifungal drugs (such as fluconazole), antiviral drugs (such as ganciclovir) and other drugs for treatment. 1. antibiotic drugs: bacterial infection caused by keratitis patients if the condition is serious, under the guidance of a physician to use antibiotics for treatment, such as cefixime, cefuroxime and so on. 2. Antifungal drugs: patients with keratitis caused by fungal infections can be treated with antifungal drugs as prescribed by the doctor, commonly used drugs are ketoconazole, voriconazole and so on. 3. Antiviral drugs: patients with keratitis caused by viral infections such as herpes simplex virus can be treated with antiviral drugs such as ganciclovir and acyclovir as prescribed by the doctor, and at the same time, enhance the physical condition to prevent recurrence of the disease. It is recommended that patients with keratitis consult a doctor to evaluate their condition and follow the doctor’s instructions for treatment.