The invention relates to a double-fork type side-controlled cathode emission flat-panel display and its manufacturing process, including a sealed vacuum chamber composed of an anode glass panel, a cathode glass panel and surrounding glass frames; an anode set on the anode glass panel A conductive layer and a phosphor layer prepared on the anode conductive layer; a support wall structure and an accessory component of a getter between the anode glass panel and the cathode glass panel; a grid lead layer, carbon nanotubes and Bifurcated side-controlled cathode emission structure; it can further enhance the control function and control efficiency of the gate structure, improve the electron emission area and emission efficiency of the carbon nanotube cathode, and has the advantages of stable and reliable manufacturing process, simple manufacturing process, low manufacturing cost, and structural The advantage of simplicity.