The utility model discloses a forest digital compass, which comprises a horizontal base, wherein a compass plate, a display screen and an external control part are arranged on the horizontal base; the external control part is provided with an azimuth angle initialization key, a storage key, a power switch, a reading brake key and a data communication interface; the horizontal base is internally provided with an electrical control function unit; the display screen and the external control part are connected with the electrical control function unit; the electrical control function unit comprises a power module and also comprises a central controller, an angular displacement sensor, an amplifier and a storage; the power of the central controller is supplied by the power module; the angular displacement sensor, the amplifier and the storage are electrically connected with the central controller; and the angular displacement sensor is arranged on the rotating axis of the horizontal base. In the utility model, by adopting the synchronous and consistent linkage mode of the rotating angle of the horizontal base and the rotating angle of the angular displacement sensor, the forest digital compass can measure the azimuth angle of any subject at real time fast and precisely, so as to obtain the digital parameter of the azimuth angle.