Disclosed is a dust collector provided with a dust-removing unit. The disclosed dust collector comprises: a first centrifugal separating tube defining a first centrifugal area for separating dust from air suctioned in through a first inlet; a first dust box for collecting dust separated in the first centrifugal area; a first detaching portion having a first exhaust pipe unit for exhausting the air from the first centrifugal separating tube and the first dust box to the outside; and a handle unit for maintaining the first centrifugal separating tube and the first dust box coupled together, or for releasing the coupling thereof.