A sport training system is provided. The system includes a brain wave detecting device and a host device. The brain wave detecting device receives brain wave signal of the user. The host device runs a sport guiding lecture, which has a voice-lecturing audio and a music audio. The host device is connected with the brain wave detecting device. The host device plays the voice-lecturing audio and adjusts the playing mode of the music audio according to the brain wave signal.本發明提供一種運動訓練系統,其包括:腦波偵測裝置以及主機裝置。腦波偵測裝置偵測使用者的腦波信號。主機裝置執行運動引導課程,且運動引導課程中包括指導語音音訊和音樂音訊,主機裝置連線腦波偵測裝置,並依據腦波信號播放指導語音音訊或調整音樂音訊的播放模式。2‧‧‧運動訓練裝置21‧‧‧腦波偵測單元22‧‧‧控制單元23‧‧‧音訊播放單元24‧‧‧雜訊消除單元