The invention relates to an electric power-assisting cart which comprises a vehicle hopper, a frame and wheels, wherein a cart body is formed by the vehicle hopper, the frame and the wheels; the wheels comprise front wheels and rear wheels; the vehicle hopper is arranged on the frame; a driving device is arranged at the bottom of the frame; the driving device is connected with the front wheels; one end of the frame is fixedly connected with handle struts perpendicular to the frame; the handle struts are fixedly connected with a control handle which is horizontally arranged; the control handle is connected with the driving device and is controlled by the driving device; one end of the vehicle hopper is connected with the middle part of the control handle by a hook; the bottom of the other end of the vehicle hopper is hinged to the frame by a connecting piece. The cart can enter a building elevator and a door along a barrier-free path, is convenient to operate, is stable to operate, is flexible to turn and can make a turn or turn around in a corridor; compared with conventional manual carrying, the bulk electric power-assisting cart reduces labor intensity and improves carrying speed and efficiency; due to adoption of non-fuel power, the electric power-assisting cart has zero emission and low noise, is civilized to construct and is green and environmental-friendly.