The oculomotor nerve is the third of the twelve pairs of cranial nerves, and is the main motor nerve that innervates the eye muscles. levator upper eyelid muscle, superior rectus muscle, inferior rectus muscle, medial rectus muscle, inferior oblique muscle, etc. to control the movement of the eye. It also controls the ciliary muscle to adjust the thickness of the lens, as well as the pupillary sphincter, which is involved in miotic and photoaccommodative reflexes. "Oculomotor nerve palsy" is a common clinical symptom, leading to the occurrence of its lesions, which are common in infection, inflammation, trauma, skull base tumor, aneurysm, diabetic neuropathy, alcoholism, cerebrovascular disease, etc. Using modern medical diagnostic tools to identify the cause in time and grasp the timing of treatment is the key to the recovery of this disease. Combining traditional Chinese and Western medicine, whichever its strengths, is the best way to treat this disease in my opinion.