The common drugs used to nourish the optic nerve are vitamin B1, vitamin B12, methylcobalamin, ganglioside, and murine nerve growth factor, all of which have a nourishing effect on the nerve. If the optic nerve is damaged, it is usually not repairable, that is, the process of damage is irreversible. For the early stage of optic nerve injury, it is recommended to actively treat the symptoms, control the primary disease, avoid further damage to the optic nerve, so that the disease can maintain the status quo, and then with some nerve-nourishing drugs, as well as acupuncture, Chinese medicine and other evidence-based treatment to control the development of the disease, so that the nerve damage can be restored.