Provided is a work vehicle (1), in which a decrease in work efficiency is prevented. The work vehicle (1) according to embodiments includes a travelling vehicle body (2) ; a work machine (W) mounted on a rear portion of the travelling vehicle body (2) to be capable of being lifted and lowered; a control unit (40) for controlling lifting and lowering of the work machine (W) ; and a rear sensor (22) provided on the rear portion of the travelling vehicle body (2) and configured to detect an object present behind the travelling vehicle body (2), wherein the control unit (40) is configured to set a regulation height based on a height where the rear sensor (22) detects the work machine (W) while the work machine (W) is lifted and then to regulate lifting of the work machine (W) during work in such a manner that a height of the work machine (W) is kept equal to or lower than the regulation height.