Disclosed is a radiation diagnostic apparatus that includes an examination table that has a length in a first direction, a fixing frame that is fixedly disposed on a floor to be separated from the examination table in the first direction and includes a guide member provided in the first direction, a transfer frame that contacts the guide member and moves along the first direction with respect to the fixing frame, a first rotary arm that is rotatably connected to the transfer frame, and a second rotary arm that is rotatably connected to the first rotary arm and is provided for a radiation source and a radiation detector to face each other.
