The Bidimensional Empirical Mode Decomposition method was applied to the flow gravity observation data and absolute gravity observation data of Hebei Province and its adjacent areas(110°E～120°E,36°N～42°N) of the period of 2010 to 2019. And the decomposition results of gravity field at different time scales and depths scales were obtained. Combined with the case of earthquakes in this period,we find that when the result of order 1 and 2 intrinsic mode function about half-year and year time scales appears positive-negative gravity high value differences or four-quadrant changes,earthquake(M≥4.0) may happen within 200km of the abnormal center in the next 2 years. Our results can provide some reference for the subsequent seismic situation analysis and judgment in Hebei Province and neighboring regions.