Portable accurate positioning range finder

The utility model discloses a portable accurate positioning range finder which comprises a base, a horizontal angle measuring disc, a vertical angle measuring disc, a rotating rod and a laser range finder, the horizontal angle measuring disc is installed on the top face of the base, the bottom of the vertical angle measuring disc is attached to the top face of the horizontal angle measuring disc, and the rotating rod is installed on the rotating rod. The rotating rod is located at the front end of the vertical angle measuring disc and can rotate relative to the base, and a laser range finder is installed on the top of the rotating rod. According to the portable accurate positioning range finder provided by the utility model, stake mark determination and accurate positioning of key parts such as stratum boundaries, joint fissures, faults, water bursting points and the like involved in underground engineering such as tunnel logging can be realized; geological logging operation is completed without approaching a