The authors select 15 earthquakes with MS≥6.0 in Xinjiang since 1970 as “source earthquakes”, and aftershocks of MS≥4.0 as target aftershocks. Test analysis has been done on the static stress triggering model. The results show that the static stress triggering model is not so applicable in the Xinjiang region. In most shock events, target earthquakes in negative ΔCFS area are more in number than that occurred in the positive area, which does not accord with static stress triggering model. The further inference is that the short-term earthquake prediction based on stress and strain increment changes is limited.