Authors stated why the M_S7.0 earthquake in Qinghai in 1990 is renamed as the Xinghai M_S7.0 earthquake,introduced obviously precursory anomalies and recounted briefly the course of prediction before the earthquake.These precursors were underground water,vertical deformation,seismic activity,meteorological anomalies and animal behavior,etc..In the end of the article,authors stated their views about appearance of meizoseismal region during the earthquake.