A lifting hook device includes a fixed hook for lifting disposed at a head section of a hollow body having an inside maintained airtight, and a rotatable hook for suspending a load, the rotatable hook has a shaft section rotatably supported in the body and vertically suspended from a bottom section, a motor for rotating the shaft section of the rotatable book about the axis of the shaft section through a rotating mechanism, an azimuth sensor mounted to the rotatable hook and detecting the rotational azimuth of the rotatable hook, and a control section for controlling rotation of the motor to restrict the orientation of the rotatable hook to a predetermined direction.