A cart for use with an ultrasonic imaging apparatus, comprising: a supporting part, a cart body and a bottom part; said cart body is connected to the supporting part and the bottom part; said supporting part is provided with an interface thereon for supporting and connecting the ultrasonic imaging apparatus; said cart body is an elevator structure provided with a power cable therein for supplying power to the ultrasonic imaging apparatus; the lower portion of the supporting part and the upper portion of the bottom part are both provided with a power socket; said power cable is a coiled cord structure, and its two ends are connected to the two power sockets; a stretchable elastic component having elastic recovery is provided inside the coiled cord structure of the power cable.