To provide a suction type car body cleaning device integrally assembled with motor, fan, rotary brush, dust collecting bag and the like, capable of cleaning dirt stuck on the car body easily without using water at any time at a parking place without going to a specified car washing place.

An inlet pipe 1 is made by attaching a ceiling plate 11 bored with an oval hole on one cut end of a cylinder. A dust collecting blast pipe 2, a curved cylinder, is attached on the ceiling plate and a rotary brush 3 is attached inside of the inlet pipe. A dust collecting bag 24 and a route regulating plate 26 are attached on the middle stage of the dust collecting blast pipe. A cleaning port 21 is provided on the upper left side of the dust collecting blast pipe. A motor 6 is mounted on the upper surface of a motor plate 62 attached on the ceiling plate. A cord 52 is wired on the right of the dust collecting blast pipe and the inlet pipe through the inside of a handle 5 to the motor.