A shovel comprising: a lower traveling body; a revolving upper body turnably mounted to the lower traveling body; a boom attached to the upper revolving body; an arm attached at the tip of the boom; a bucket attached at the tip of the arm and configured to perform a work; a boom angle sensor attached to the boom, configured to detect a rotation angle of the boom, an arm angle sensor attached to the arm, configured to detect a rotation angle of the arm, and a bucket angle sensor attached to the bucket, configured to detect a rotation angle of the bucket, a guidance unit configured to guide an operation of the bucket; and a display unit configured to display information related to the work by the bucket, wherein a display screen of the display unit displays an image indicating a distance between a position of a working part of the bucket while the work is being performed and a target surface as a reference of the work, the distance being calculated according to detection signals of the boom angle sensor, the arm angle sensor, and the bucket angle sensor, wherein, in a display area of the display screen, a target surface display bar representing the target surface and multiple distance display bars representing respective distances from the target surface are displayed at predetermined intervals, and a bucket icon representing the bucket is displayed along the sequence of the distance display bars; wherein, a side of the bucket icon having concavities and convexities at the lower end of the bucket icon corresponds to a teeth-end position of the bucket, and the bucket icon moves relative to the target surface display bar and the distance display bars in the display area depending on the distance between the bucket and the target surface; and wherein the guidance unit changes color of a partial area or an entire area of the display screen of the display unit, depending on the distance between the position of the working part of the bucket and the target surface. a lower traveling body; a revolving upper body turnably mounted to the lower traveling body; a boom attached to the upper revolving body; an arm attached at the tip of the boom; a bucket attached at the tip of the arm and configured to perform a work; a boom angle sensor attached to the boom, configured to detect a rotation angle of the boom, an arm angle sensor attached to the arm, configured to detect a rotation angle of the arm, and a bucket angle sensor attached to the bucket, configured to detect a rotation angle of the bucket, a guidance unit configured to guide an operation of the bucket; and a display unit configured to display information related to the work by the bucket, wherein a display screen of the display unit displays an image indicating a distance between a position of a working part of the bucket while the work is being performed and a target surface as a reference of the work, the distance being calculated according to detection signals of the boom angle sensor, the arm angle sensor, and the bucket angle sensor, wherein, in a display area of the display screen, a target surface display bar representing the target surface and multiple distance display bars representing respective distances from the target surface are displayed at predetermined intervals, and a bucket icon representing the bucket is displayed along the sequence of the distance display bars; wherein, a side of the bucket icon having concavities and convexities at the lower end of the bucket icon corresponds to a teeth-end position of the bucket, and the bucket icon moves relative to the target surface display bar and the distance display bars in the display area depending on the distance between the bucket and the target surface;