To effectively utilize strong power of a vacuum cleaner main body as the force to suck dusts, by equipping a parallel louver on the dust suction opening and forming an air sucking groove of a narrow gap so as not to contact the dust suction opening to the floor face.

A parallel louver 1 is equipped on a dust suction opening 4, and each interval of each louver is set at, for instance, from 1cm to 1.5cm. Arch sloped or rounded air suction grooves 2, 3 are equipped between intervals of the louver 1. Further, an upward opened air intake port is equipped so as to guide air to be sucked into the air suction groove 3 on cleaning a floor face from the upper part of the suction tool, and the face of the base rear part 14 of the suction tool to abut on the floor is made flash with the face of the louver 1 to abut on the floor. A brush bar 7 is equipped on a space between the air intake port and the air suction groove 3 by a support bar, etc.