Abstract: The present application discloses dust boxes, dust box assemblies and cleaning devices, wherein the dust box assembly includes a dust box and at least two fans. The dust box is formed with a holding cavity, a dust suction port and at least two air outlets, the dust suction port is connected to the holding cavity, the at least two air outlets are connected to the holding cavity. At least two fans are provided corresponding to at least two air outlets for creating an airflow that passes through the dust suction port, the holding chamber and the air outlet in sequence.

Abstract: The present application discloses a cleaning device and its dust box. The cleaning device may comprise a body, a dust box, and at least two fans. The dust box may be provided for connection to the body, the at least two fans are provided in the body for forming an airflow into and out of the dust box through the apparatus body. The dust box may be provided such that the airflow formed by each of the at least two fans can flow out of the dust box in different directions.