In this paper, a far-ranging remote phenomenon of large earthquake activity(M_s≥7.0) has been discussed by seismicity time characteristics in China Mainland and its adjacent areas. Six zones have been divided with remote phenomenon, On the basis of giving remote phenomena in the paper, the active situation of large earthquakes Will be roughly estimated in research areas, and a useful reference for mid-range prediction of large earthquakes in one or two years in the future is got.