Occipital lobe hemianopsia is usually caused by damage to the visual pathway around the occipital lobe due to various reasons, such as insufficient blood supply to the occipital lobe, cranial trauma, intracranial infections, etc. In the short term, if the patient is treated with medication in a timely manner, it will help to restore the visual field, but if the patient’s occipital lobe hemianopsia is more serious and the lesion is of a long duration, it will generally be more difficult to recover. When intracranial vascular lesions lead to insufficient blood supply to the occipital lobe of the brain, the visual information received by the retina cannot be synthesized through the occipital lobe of the brain, thus leading to hemianopsia, and the visual field can be restored to a certain extent if the patient uses vasodilating drugs such as nifedipine in a timely manner. Cranial trauma may lead to blunt contusion of the occipital cortex, interfering with the normal visual pathway and leading to hemianopsia. Patients need to take bed rest and apply nutritive neurotoxic drugs, such as methylcobalamin, to improve vision. Intracranial infection may cause damage to the visual path around the occipital lobe of the patient, complicating headache and fever, the patient may use anti-infective drugs such as penicillin as prescribed by the doctor to control the inflammation and improve vision. If the patient occipital lobe hemianopsia lesion damage is more serious and the lesion time is longer, without timely treatment, generally more difficult to recover. It is recommended that patients with occipital lobe hemianopsia should consult a regular hospital in time to assess their condition and follow the doctor’s instructions for treatment.