An apparatus and method for displaying a television video signal in a mobile terminal. The apparatus comprises an input unit for generating a plurality of signals for control of a television mode of the mobile terminal, a control unit responsive to the control signals from the input unit for generating a plurality of commands for execution of the television mode and user data to be displayed when the television mode is executed, a tuner for receiving a television signal of a selected channel, a decoder for decoding the television signal received by the tuner to separate it into the television video signal, an audio signal and synchronous signals, a video processing unit for, in the television mode, converting the video signal from the decoder into digital video data, processing and storing the converted digital video data on a frame basis, outputting stored video data of a previous frame in a frame period and then outputting the user data, and a display unit having a video data display area and a user data display area, the display unit displaying the frame video data and user data from the video processing unit respectively in the video data display area and user data display area.