ObjectiveTo investigate the clinical manifestations,diagnosis and treatment of delayed intraorbital meningoencephalocele with cerebrospinal fluid rhinorrhea after trauma.MethodsA retrospective analysis was performed on the clinical data of an exceptional patient with delayed intraorbital meningoencephalocele with cerebrospinal fluid rhinorrhea after trauma admitted to the First Hospital of Shanxi Medical University in August 2019. After definite diagnosis based on medical history and imaging results, meningoencephalocele repair was performed under nasal endoscopy. After the operation, the patient was treated with cranial pressure reduction and antiinflammatory.ResultsThe patient recovered and left the hospital half a month after the operation. The patient’s dizziness and head bloating were significantly improved one month after the operation. The protrusion of left eye bulb was alleviated, which was compared with that before the operation. Binocular vision had no obvious change.ConclusionIf there is no intraorbital meningoencephalocele in the early stage after traumatic orbital roof fracture, close followup and regular CT and MRI reexamination should be conducted for early detection and early treatment.