The Hejing MS5.6earthquake occurred on Aug.30,2008,located in an annual seismic risk region in Xinjiang Ugyur Autonomous Region.A group formed by authors for tracing and predicting short-term earthquakes in the east wing of South Tianshan had proposed a short-term prediction in middle of June before the earthquake.In this paper,the work thinking,analysis of anomalous precursors and process of short-term prediction before the event are retrospectively analyzed.Some discussion for short-term earthquake tracing and prediction are also presented.