The utility model relates to a purlin piece stands up frock, including rolling the board and setting up at the locating fixture who rolls the inboard side, it includes an alignment with board of both sides and sets up the arc between an alignment with board to roll the board, an alignment with board mutually perpendicular, the arc is 14 arcs, locating fixture is including setting up cardboard A and the cardboard B on an alignment with board respectively, cardboard A cross -section is the L type, and cardboard B cross -section is the T type, cardboard A and cardboard B's terminal surface mutually perpendicular to respectively the perpendicular to separately the terminal surface set up a plurality of reinforcing plate A and reinforcing plate B. The utility model has the advantages of: purlin piece stands up frock is mainly including rolling board and locating fixture, through placing the purlin piece between cardboard A and cardboard B, through the one end of hoisting the purlin piece, can make the purlin piece carry out prosposition to the conversion of vertical position, weares and teares in the effectual purlin piece bottom that prevents, simple structure is reasonable, strong adaptability, the structure many places set up the reinforcing plate simultaneously, make the bearing capacity bigger.