A straightening device for a light pole production line, comprising: a straightening unit, including a lower lining component, a pressing component is arranged on the upper end of the lower lining component, and a clamping unit, including a pair of spacing adjustment components arranged at both ends of the lower lining component, and the spacing The other ends of the adjustment components are all equipped with lifting components, the lifting components are all provided with guide components, the other ends of the guide components are all equipped with adjustment components, and the guide components are all provided with clamping components. The invention facilitates the straightening operation of the pole body of the light pole, improves the straightening efficiency of the pole body, improves the straightening quality of the pole body, facilitates the transfer of the pole body when the pole body is straightened, reduces the work intensity of the operator, improves the transfer efficiency of the pole body, and has the advantages of Strong practicality.