The invention provides a USB table fan with the dust removal function. The table fan comprises a fan body and a base located below the fan body; a fan cavity with a leftward opening is formed in the fan body, an isolation net is arranged in the fan cavity, the same power source is used for driving fan blades to rotate and meanwhile driving the fan body to swing, the blowing range of the fan is wider, meanwhile, the fan uses the power source for driving a dust removal device to drive air to be subjected to dust removal, air around the device is purified, meanwhile, the purified air is exhaustedthrough fan blade rotation, a user can breathe the filtered air, and the high use and popularize value is achieved.