Mobile phone capable of being externally connected with expansion keyboard

The utility model discloses a mobile phone capable of being externally connected with an expansion keyboard, which comprises a mobile phone body and an external expansion keyboard, wherein a wireless receiving module and a USB (Universal Serial Bus) socket are arranged on the mobile phone body, a USB plug and a wireless transmitting module are arranged on the external expansion keyboard, and the mobile phone body is connected with the USB plug of the external expansion keyboard through the USB socket. The USB socket and the wireless receiving module are arranged in the mobile phone body and used for realizing communication connection with the external expansion keyboard, thus the mobile phone is separated from the keyboard, great convenience is provided for the use of the mobile phone; and the external expansion keyboard can be also matched with a computer for use. Compared with the prior art, the utility model has the advantages of simple realization and convenience for operation; and the mobile phone is moderate in size without influencing attractiveness of the mobile phone and handfeel of the user, and is convenient for operation.