Abstract: The present disclosure relates to an autonomous forklift truck capable of recognizing a location of the autonomous forklift truck and a location of an obstacle in a work area, and the truck includes a location recognition sensor to detect the location of the autonomous forklift truck through a laser emitted and reflected from a reflective marking equipped in a structure, a first sensor to detect an obstacle near a work area floor, a second sensor to detect an obstacle at a predetermined height from the floor, a fork laser sensor to measure a distance from a rack where a pallet is loaded or a distance from the pallet, a first fork photoelectric sensor and a second fork photoelectric sensor, and a control unit to process sensing signals inputted from all the sensors and control the driving and attachments of the autonomous forklift truck.