The invention relates to an electric suspension vehicle. The electric suspension vehicle comprises two parts, namely an elevated channel and a suspension vehicle, wherein the elevated channel is an elevated horizontal channel which is composed of a top plate and side plates and opened downward, contact lines are arranged in the side plates; the suspension vehicle is suspended under the elevated channel and composed of a vacuum box, a draft fan, a driving device, a pantograph, an inner power supply unit, a control device and a carriage for carrying passengers; and the vacuum box is a rectangular box which is opened on the top, the upper opening of the vacuum box is covered on the lower surface of the top plate of the elevated channel, partial side walls have elasticity, and the bottom plate is connected with the lower carriage for carrying passengers through a draw bar. The realization method of suspension comprises the following steps: starting the draft fan, evacuating the air in the vacuum box to raise the bottom plate of the vacuum box and drawing the lower carriage upward with the draw bar, wherein an air gap is generated between the upper opening of the vacuum box and the lower surface of the top plate of the elevated channel through the leakage acting force; the pantograph supplies power for the inside of the vehicle; and an asynchronous motor drives wheels to rub with the lower surface of the top plate of the elevated channel so as to generate a thrust and drive the suspension vehicle.