Disclosed is a vehicle having a movable and retractable sun shield. The vehicle comprises a vehicle body and a retractable device, wherein a cavity is arranged at the top of the cab of the vehicle body, an opening is arranged on the front end of the cavity; and the retractable device comprises a sun shield and an actuating device, the sun shield is mounted in the cavity at the top of vehicle body in an extensible and retractable manner, the actuating device is mounted in the cavity at the top of vehicle body and coupled to the sun shield to drive the sun shield to stretch out and draw back, the cavity at the top of vehicle body is provided with a sliding rail, the sun shield is provided with bending rims at two sides thereof, and the bending rims are slidably engaged on the sliding rail.