A method for generating a favorite channel list, where a device for generating the favorite channel list includes a receiver and a processor, is disclosed. The method includes receiving a signal of a first channel of a television signal by the receiver; clearing channels stored in the favorite channel list by the processor before the receiver receives the television signal according to the television signal; and adding the first channel to the favorite channel list by the processor when the signal of the first channel is switched from a first program to an advertisement.