A work machine comprising: a work implement; a controller including a storage section (43m, 43c) in which position information on an arbitrarily set target surface is stored, and a reference point position calculation section that calculates position information on a reference point (Ps) arbitrarily set in the work implement; and a display device that displays a positional relation between the target surface and the work implement based on the position information on the target surface and the position information on the reference point (Ps), the controller further includes a first distance calculation section calculating a first distance that is a distance between the reference point (Ps) and the target surface on a virtual straight line (Lv) extended in a predetermined direction from the reference point (Ps) toward the target surface, based on the position information on the reference point (Ps) and the position information on the target surface, wherein the work machine further comprises a current landform acquisition device for acquiring position information on a current landform, the position information on the current landform acquired by the current landform acquisition device is stored in the storage section (43m, 43b), the controller further includes a second distance calculation section calculating a second distance that is a distance between the target surface and the current landform on the virtual straight line (Lv), based on the position information on the reference point (Ps) and the position information on the target surface and the position information on the current landform stored in the storage section (43m, 43b), and a positional relation between the target surface, the work implement, and the current landform is displayed on the display device characterised in that the first distance (Dl) and the second distance are numerically displayed on the display device. a work implement; a controller including a storage section (43m, 43c) in which position information on an arbitrarily set target surface is stored, and a reference point position calculation section that calculates position information on a reference point (Ps) arbitrarily set in the work implement; and a display device that displays a positional relation between the target surface and the work implement based on the position information on the target surface and the position information on the reference point (Ps), the controller further includes a first distance calculation section calculating a first distance that is a distance between the reference point (Ps) and the target surface on a virtual straight line (Lv) extended in a predetermined direction from the reference point (Ps) toward the target surface, based on the position information on the reference point (Ps) and the position information on the target surface, wherein a first distance calculation section calculating a first distance that is a distance between the reference point (Ps) and the target surface on a virtual straight line (Lv) extended in a predetermined direction from the reference point (Ps) toward the target surface, based on the position information on the reference point (Ps) and the position information on the target surface, wherein the work machine further comprises a current landform acquisition device for acquiring position information on a current landform, the position information on the current landform acquired by the current landform acquisition device is stored in the storage section (43m, 43b), the controller further includes a second distance calculation section calculating a second distance that is a distance between the target surface and the current landform on the virtual straight line (Lv), based on the position information on the reference point (Ps) and the position information on the target surface and the position information on the current landform stored in the storage section (43m, 43b), and a positional relation between the target surface, the work implement, and the current landform is displayed on the display device