The utility model relates to an automatic laminator of high frequency pencil board, it presss from both sides the mechanism to restraint including frame, table surface, conveying mechanism, feed mechanism, high-frequency heating mechanism and hydraulic pressure, table surface horizontal installation in the middle part of said frame, table surface's middle part is provided with be long banding high-frequency heating station, conveying mechanism includes the conveyer belt, the conveyer belt set up in the right side on the upper portion of frame, feed mechanism includes feeding transmission band and guardrail, high-frequency heating mechanism includes the high-frequency heating machine, the high-frequency heating machine is installed the inside of said frame, and be located the below of high-frequency heating station, hydraulic pressure is restrainted and is pressed from both sides the mechanism including restrainting the machine of clamp and hydraulic press. The utility model discloses owing to adopted above-mentioned technical scheme, be applicable to automated production, it is little to occupy the place, low in labor strength, environmental protection, no dust, no hyperthermia radiation, safety and sanitation.