A transfer robot according to an embodiment includes an arm and a body. The arm is provided, at a terminal end thereof, with a robot hand transferring a thin plate-like workpiece, and operates in horizontal directions. The body includes a lifting and lowering mechanism that lifts and lowers the arm. In the transfer robot, at least a part of the body is disposed outside a side wall of a transfer room that is connected to an opening and closing device opening and closing a storage container for the thin plate-like workpiece and to a processing room processing the thin plate-like workpiece.