With　the　rapid　growth　of　the　motor　vehicles　in　Beijing,　the　traffic　jam　situation　is　aggravated　constantly.　The　function　of　SCOOT　traffic　signal　control　system　has　not　gradually　adapted　to　the　actual　traffic　demand.　After　analyzing　and　researching　the　current　situation　and　problems　of　existing　SCOOT　systematic　operation　in　Beijing,　the　construction　objects　are　put　forward　according　to　the　traffic　characteristics　and　system　control　characteristics　within　Second　Ring　Road　in　Beijing.　Through　choices　of　investigating　route　and　intersections　and　investigating　date　and　by　using　the　method　of　before　and　after,　a　good　effect　is　got　and　The　operation　status　of　the　traffic　has　got　very　great　improvement　after　the　system　was　implemented,　demonstrating　the　SCOOT　system　superiority　of　the　single　point　control.