PROBLEM TO BE SOLVED: To provide a cerebral blood flow-improving agent that increases a blood flow in the cerebral cortex.SOLUTION: According to the present invention, there are provided a cerebral blood flow-improving agent comprising one or more terpineol, β-caryophyllene or β-phenylethyl alcohol； a cerebral blood flow-improving agent capable of increasing the blood flow rate of the brain, particularly the cerebral cortex； and, particularly, a cerebral blood flow-improving agent capable of increasing the blood flow in the frontal lobe, parietal lobe, temporal lobe portion of the cerebral cortex by sniffing.SELECTED DRAWING: Figure 1【課題】大脳皮質の血流を増加させる脳血流改善剤の提供。【解決手段】テルピネオール、β－カリオフィレン又はβ－フェニルエチルアルコールを一種類以上含有する脳血流改善剤。脳、特に大脳皮質の血流量を増加させることができる脳血流改善剤。特に、嗅ぐことにより、大脳皮質の前頭葉、頭頂葉、側頭葉の部位の血流を増加させることができる脳血流改善剤。【選択図】図１
