A cyclone dust-separating apparatus

The cyclone dust collecting apparatus. Cyclone dust collector according to the present invention, the cyclone chamber and a cyclone body including a living room dirt can wrap the outside of the cyclone chamber circumferentially; The cyclone chamber and a top cover provided on top of the above, to form a connection passage between the cyclone body of the dust can living room; And it is formed on the inner wall of the top cover back flow preventing fence that prevents the back flow in dust chamber above the cyclone dust from the living room number; characterized by including the. A cyclone dust collecting apparatus, the cyclone chamber, dirt can living room, a connecting passage, back flow preventing fence