The invention discloses a vertical vacuum cleaner, which comprises a rolling brush component, a motor component, two rolling wheels and a machine body component, wherein the rolling brush component comprises a rolling brush shell and a rolling brush which is arranged inside the rolling brush shell; a dust collection port is arranged on the rolling brush shell; the motor component comprises a motor shield and a fan which is arranged inside the motor shield; the two rolling wheels are respectively arranged on two sides of the motor shield and are rotatably connected to the motor shield; the machine body component comprises a machine body and a bridging piece; the bridging piece is arranged on the machine body; the bridging piece comprises a top plate and two side plates which are connected to two sides of the top plate; and the two side plates are respectively clamped between two sidewalls of the motor shield and the corresponding rolling wheels, and the two side plates are rotatably connected to the motor shield. According to the vertical vacuum cleaner provided by the embodiment of the invention, by setting the bridging piece on the motor shield and by connecting the bridging piece to the machine body, the motor inside the motor shield can be conveniently driven to rotate by virtue of the bridging piece, so that the purpose of adjusting the tensioning degree of a driving belt is achieved; and the vertical vacuum cleaner is simple in structure and convenient to assemble and disassemble.