Abstract: An intelligent vacuum cleaner includes a main casing, a vacuum cleaning arrangement, and at least one detachable wheel assembly arrangement. The main casing has a plurality of wheel compartments formed at a bottom side of the main casing. The vacuum cleaning arrangement is operatively provided in the main casing for generating a predetermined vacuum effect. The detachable wheel assembly arrangement is provided on the bottom side of the main casing, and includes at least one driving wheel and a detachable mechanism which is connected to the driving wheel and is detachably mounted in the main casing so that the diving wheel and the detachable mechanism are selectively detachable from the main casing for convenient cleaning of the bottom side of the main casing.