There is provided a vacuum cleaner. The vacuum cleaner includes a dust
separation part separating dust contained in air; a dust storing part
storing dust separated by the dust separation part; a compression unit
dividing the dust separation part and dust storing part, for compressing
dust stored in the dust storing part; a motor connection passage
communicated with a motor generating a negative pressure; a compression
passage communicated with the dust storing part; a dust collection
passage communicated with the dust separation part; and a flow passage
control unit selectively opening and closing the compression passage and
the dust collection passage.