The utility model provides a banding template, including master module, right corner template and left corner template, right corner template and left corner template lower extreme be the base even, the master module both ends are equipped with first recess and second recess respectively, be equipped with respectively on a left side corner template and the right corner template with first recess and the first arch of second recess matched with and second are protruding, right corner template and left corner template go up equal hinge has the fastener, be equipped with the draw -in groove on the master module, work as first arch with first groove phase cooperation or second protruding with during the cooperation of second groove phase, the fastener can block income the draw -in groove. Theutility model discloses before slip casting begins, insert the master module forms wholly with corner template, corner template hem (can select the crotch) inserts the recess is in order to increase overall stability.