The utility model discloses a belt line connection board, include: a long square bottom plate and two cardboards that are a constant angle degree and buckle, the outside extension in order to be less than floor width of the both ends symmetry of bottom plate, the part that the bottom plate outwards extends is equipped with the buckle, the limit of buckling of cardboard is equipped with the first button hole of rectangular shape, the buckle makes bottom plate and cardboard be connected with the cooperation of first button hole and fixes, still be equipped with the second button hole on the cardboard, the second button hole be used for with first belt line fixed connection, the buckle still is used for bottom plate and second belt line fixedly. Fixed good back, the overlap joint of bottom plate slope is between first belt line and second belt line. The utility model discloses can protect between two velamen band wires the article of conveying, avoid article because difference in height and the consequence of breaking in the conveying.