The invention discloses a control method of a plasma television, a Bluetooth touch pen and a plasma television. The control method comprises the steps of: setting light signals with pixel position information, sent by all or partial pixel points of a plasma television screen; receiving the light signals by a touch pen through contact with the screen, figuring out pixel coordinate values of a contact point of the touch pen contacted with the screen according to the pixel position information in the light signals, and sending the figured-out pixel coordinate value to the plasma television in a Bluetooth transmission mode; and carrying out corresponding operation by the plasma television according to the received pixel coordinate value. According to the invention, a new touch scheme of the large-screen plasma television is realized, and the touch scheme has the advantages of good user experience and low cost.