Anti-protrusion wallboard system

The invention discloses an anti-protrusion wallboard system. The anti-protrusion wallboard system comprises a fixed strip, a clamping piece, a pull strip, plug pins and an integrated wallboard, wherein the fixed strip is composed of two sidewalls and a fixed wall vertically connected with the two sidewalls; the tail end of each of the two sidewalls of the fixed strip is turned inwards to form a slide groove; a plurality of positioning holes are formed in the two sidewalls of the fixed strip; a plurality of fixed nail holes are formed in the fixed wall of the fixed strip; the clamping piece is slidably mounted on the fixed strip; pin holes are further formed in the upper and lower ends of the pull strip; the pull strip can be fixedly connected with the fixed strip after the plug pins penetrate through the positioning holes and are matched with the pin holes; the front end surface of the integrated wallboard is smooth, and a plurality of dovetail grooves are formed in the rear end surface; inlaying grooves are