The utility model discloses a case roof beam reinforcement auxiliary positioning device aims at providing the case roof beam reinforcement auxiliary positioning device that the efficiency of construction is high. It includes case roof beam reinforcement pedestal, the two fixed positioning frame that set up on case roof beam reinforcement pedestal two symmetric edges angles, be called the inboard towards the one side at case roof beam reinforcement pedestal center, the opposite side is called the outside, positioning frame includes the angle steel with case roof beam reinforcement pedestal corner fixed connection, follows angle steel length direction equidistance setting and minor face and angle steel articulated T shape support frame for many, and a plurality of equidistance are fixed to be set up in the distribution muscle positioning tooth of the long limit inboard of T shape support frame to and one end and the long limit of T shape support frame articulated landing leg. The utilitymodel discloses can show the improvement efficiency of construction for the time limit for a project is practiced thrift to the construction progress, has very big use value.