The utility model discloses an automatic cleaning device of gypsum face, include: the support spanes and erects and accelerate on the roll table for the installation brush, two types of bomb and a satellite spring, top respectively with the support both ends are connected, and the bottom is supported respectively accelerate the roll table both sides, the brush sets up the support bottom for gypsum board to accelerateing on the roll table cleans. An installation automatic clastic brush of gypsum face that cleans on accelerateing the roll table, the brush passes through the both sides spring, install on a support, because brush dead weight, it is tensile with the spring, brush hair and face contact, with cleaing away because of the piece that cuts off the production on the face, and the spring has certain flexible volume, it scrapes bad phenomenon and appears to have avoided the brush will wet the board end, can in time clean the piece on the gypsum face automatically again simultaneously, avoid the piece to drop on and cause equipment operational failure on the line of induction position, and influence production, and improves the production efficiency.