The invention provides a bending machine for a busbar, and the bending machine for the busbar comprises a jack, a base and a workbench, wherein the jack and the workbench are arranged on the base; the workbench comprises a terrace die and a concave die; the terrace die, the concave die and the jack are arranged from top to bottom in sequence, and the positions are corresponding to one another; the position of the terrace die is fixed; the concave die moves up and down along the vertical direction under the pushing of the jack; the terrace die is fully embedded in the concave die when the concave die moves to the highest point, and the positions of the terrace die and the concave die are separated up and down when the concave die moves to the lowest point; a locating pin and more than one locating holes are arranged on/in the terrace die; the locating pin can pass through the locating holes to extent onto the concave die. The bending machine for the busbar provided by the invention is simple in structure, convenient in operation and carrying, has a locate function, can perform bending processing on different models of busbars accurately, and the field reconstruction of a complete set of cabinets of an intelligent phase controlled circuit breaker system and the field production of tools used for the busbar after sale are completely realized.