Converter and mobile phone external keyboard with the same

The invention provides a converter for connecting an input keyboard and a mobile phone to realize mobile phone language input. A first signal contact point is arranged on the converter, the first signal contact point is connected with the input keyboard, the signal transmission can be performed between the converter and the mobile phone, an input signal is input into the mobile phone after being converted through the converter when the input keyboard is operated, thereby accomplishing the mobile phone language input. The invention further provides a mobile phone external keyboard. The mobile phone external keyboard comprises the input keyboard and the above converter; a second signal contact point is arranged on the input keyboard, the first signal contact point is in butt joint with the second signal contact point, thereby realizing the connection between the converter and the input keyboard. The mobile phone external keyboard disclosed by the invention realizes the function maximization of the keyboard by u