The invention relates to a display device with a channel information form, comprising a data receiving part, a date storage part, a command receiving part, a judging part, a display part and a control part, wherein the data receiving part is used for receiving television channel frequency information transmitted through a cable; the data storage part comprises a primary data storage part, a secondary data storage part and a third-stage data storage part which are respectively used for storing television channel relevant information; the command receiving part is used for receiving signals sent by a remote controller and sending the signals to the judging part; the judging part is used for judging whether to display a channel information form or not and whether to edit the channel information form or not; the display part displays relevant content in the data storage part in the form of an image and character interface according to the control of the control part; and the control part controls the data receiving part, the data storage part, the judging part and the display part. The invention correspondingly discloses a method for implementing the display device. The display device and the method avoid the appearance of quick blanking pulse signals, thereby avoiding the appearance of blank screens.