The present invention discloses a rotary type distance sensing device is disclosed, wherein the rotary type distance sensing device comprises a driver to drive the linking structure to move and to enable the rotating mount to rotate; a control module fixed to rotating mount transmitting a measurement signal through a signal transmitter and receiving the reflected measurement signal through a signal receiver to obtain an environmental status data ; the control module analyzing the reflected measurement signal and transmitting the reflected measurement signal though a wireless transmitter, or the control module directly transmitting the reflected measurement signal along with data regarding the transmitted measurement signal through the wireless transmitter, thereby preventing a signal wire from being wound too tightly and tangled, and also preventing a slip ring structure from being worn out after long term use, and thus assuring the signal transmission quality.