Optic neuritis usually takes 1 month to 6 months to recover, and the exact recovery time is related to the severity of the patient’s condition, the patient’s physical condition and other factors. Patients with mild optic neuritis, if actively treated, usually need about 1 month to 2 months to gradually recover, while patients with severe optic neuritis usually need 3 months to 6 months to recover, and the strength of the individual’s physical condition may also affect the patient’s recovery speed. If the patient is not treated in time and the condition is delayed, the difficulty of treatment can be increased and the recovery time can be prolonged. Patients should develop good living habits, pay attention to eye rest, can carry out some moderate exercise such as walking, jogging, etc. Diet should be light and easy to digest food, can eat more fresh vegetables and fruits, avoid spicy stimulating food, avoid ultraviolet radiation and bright light stimulation. It is recommended that patients with optic neuritis consult a hospital in a timely manner to assess their condition and under the guidance of a doctor.