The year 2013 witnesses SCO playing a positive role in a series of hot issues and especially in those related to Syria，Afganistan，Iran and activities to rack down on the three strands of evil force in European and Asian regions. This accords with SCO’s original intention，tenet and principle，and agrees with SCO’s organizational activities and developmental logic. However，SCO must try to play a greater role in global and regional affairs by consolidating its own strength，and improving the structure of its organizations