The Spring and Autumn of LV Bu?wei is a masterpiece of the doctrine of pre-Qin philosophers. It has a distinctive national ideological character with the aim of providing a set of effective governing principles for the state of Qin. Its national ideology was successfully constructed due to the following three factors: first of all, the writers led by LV Bu-wei who had fully grasped the historical trend of national unification; secondly, the aca? demic minds of these writers who had absorbed the thoughts of hundreds of scholars; finally, the theoretical structure that combined the thoughts of different scholars. For the innovation and development of the contempo? rary Chinese national ideology and constructing national ideology, The Spring and Autumn of LV Buwei is of great enlightenment.