A mobile phone capable of switching radio channels of an FM radio is provided. The mobile phone includes antennas for receiving analog signals and wireless signals. The mobile phone includes a signal conversion module for converting the analog signals to digital signals, and a channel database for storing radio channel information corresponding to LAI information of different local areas. A communication protocol processing module of the mobile phone is configured for receiving the digital signals, and for reading the LAI information of a local area where the mobile phone is located. A FM management module of the mobile phone is configured for searching the channel database to retrieve available radio channel information in the local area, synchronously monitoring if the LAI information changes, and determining if the FM radio needs to switch from one radio channel to another radio channel.