According to the current situation of China coal energy conservation and emissions reduction and Xingtai Mine large air volume, high efficiency production demand. The basic construction of type GAF axial flow fan was introduced in detail, the fan blade Angle adjustment was convenient, with big adjusting range, high pressure, big air volume and high efficiency, etc. The coal mine ventilation equipment update was the key of the mine development, by studying type GAF axial flow fan in xingtai mine application present situation, the trend for the future development of axial flow ventilator was summarized.