Fan and cleaning electric appliance

The utility model provides a fan and a cleaning electric appliance. The fan comprises a fan inner shell, a fan outer shell and a fan inner shell, a mounting space is formed in the fan inner shell, and one end of the mounting space is opened to form an air inlet; the motor is mounted on the side, away from the air inlet, in the mounting space; the impeller is mounted on the side, close to the air inlet, in the mounting space and is opposite to the air inlet, and the impeller is in transmission connection with the motor; a plurality of guide vanes are formed on the peripheral wall of the fan inner shell, an air outlet communicated with the installation space is defined by the guide vanes, and the guide vanes are in an arc shape. The utility model provides a fan and a cleaning electric appliance, which can realize the following technical effects: the vortex on the outer side surface of a guide vane is eliminated, the air outlet efficiency of the guide vane is increased, the noise is further reduced, and the effe