To improve the safety and stableness of the fan by providing an air discharging ring shaped in a hollow cylinder form to receive an air stream produced by vanes and having an annular slit to discharge the received air stream therethrough. CONSTITUTION:The air around a base 1 is suctioned thereinto by the rotation of the vanes 5 of the fan, and then sent upwards within the base 1 to a neck piece 10, where it is divided into two air discharging ports 12 so that it can flow within the air discharging ring 13. The air flowing the air discharging ring 13 is then discharged through the annular slit 14. In this instance, the slit 14 is designed to be so narrow as to provide a strong air stream. Such a strong air stream can stir the air within the air discharging ring 13 and as a result of this, the air is sensed to flow out of the entire space surrounded by the air discharging ring 13.