The utility model relates to a construction technical field, concretely relates to steel reinforcement cage ligature auxiliary device. The utility model provides a steel reinforcement cage ligature auxiliary device sets up including bottom support, symmetry and left and right two be listed as rolling device and two spacing steel pipes on the support of bottom, and two tops that are listed as the rolling device are arranged respectively in to two spacing steel pipes, whenever, be listed as the rolling device that the rolling device includes a plurality of interval arrangement, every rolling device includes two roller bearings, and the chassis is located to the roller bearing through roller bearing location muscle on, roller bearing location muscle is fixed in on the chassis, the outside of spacing steel pipe is provided with protective steel plate, and protective steel plate is fixed in on the chassis. The utility model has the advantages of simple structure, simple to operate, when guaranteeing the reinforcement quality, also guarantee constructor's safety to be favorable to accelerating the construction progress, one may well say that kill many birds with one stone.