Abstract: The military reform by the westernizers in the mid-late 19th century was both the result of the active promotion on the part of a few bureaucratic qentry with the feudal bloc and the outcome of the stimulation and effect of world factors. The cardinal motive force of the reform was the aggression of the big powers against China.And the foreign drillmasters and the western missionaries were an important propelling force of the reform. But the limitations of its main ideology and the objective of the reform itself restricted the space of the effectiveness of world factors.

Key words: modern Chinese military affair, Westernizers, military reform, world factors