The invention relates to the technical field of cable assembly equipment, and discloses a steel strand assembly machine, comprising a frame, a steel strand shearing unit, a steel strand bending unit and a wedge clamp assembly mechanism, wherein the frame is internally provided with a first brake motor and a second brake motor, the first brake motor controls the rotation of the steel strand bendingunit, and the second brake motor controls the rotation of the wedge clamp assembly mechanism. The steel strand assembly machine has the beneficial effects of performing factory prefabrication on thework of the steel strand assembly components, realizing complete sets of delivery, improving and standardizing process standards, improving the interchangeability of steel strand assembly components,improving work efficiency, shortening on-site construction time, reducing material waste, reducing the impact time of construction on power consumption of surrounding users, and optimizing construction site management and material intensive management.