A 36 year old woman, at 37 week gestation, had admitted to our Obstetric-Gynecology department. On her admission, she complained mild fever, neck pain and severe hoarsness. Laboratory test demonstrated increased level of activated partial thromboplastin time 40.2 second(control 26), aspartate aminotransferase 685 IU/L(normal range 10~50), alanine aminotransferase 404 IU/L(normal range 5~45). The diagnosis, acute fatty liver of pregnancy was made by ultrasound of the liver and clinical and laboratory findings. Also the diagnosis, acute laryngitis was made by laryngoscopic and clinical and laboratory findings. On her 3rd day of admission, she complained labor pain. An emergency cesarean section was performed under spinal anesthesia. After delivery, her postoperative prognosis was uneventful, and she discharged from the hospital on postoperative 8th days.