Disclosed is a vacuum cleaner including a head having an inlet for sucking in polluted air with impurities from outside by an operation of an air suction device generating air suction force; a dust collector for collecting impurities contained in the polluted air; a main body having a dust collector receiving recess to which the dust collector is detachably provided; and a fixing device fixing the dust collector on the main body and releasing the dust collector when the dust collector is separated, wherein the fixing device including a switch provided at the main body and controlling the fixing state of the dust collector; and an elastic member incorporated integrally into the switch and restoring the switch to a fixing location of the dust collector.