All　kinds　of　taxi　data　structure　were　introduced,　and　based　on　multi-source　data,　proposes　taxi　operation　monitoring　index　system　in　charge　of　the　different　needs　faced　on　traveler,　industry　managers　and　government　departments.　Finally,　taking　the　multi-source　data　of　taxi　in　Beijing　as　an　example,　some　important　indexes　of　the　taxi　operation　monitoring　are　calculated,　and　the　running　situation　of　city　taxi　can　be　mastered　accurately.　The　research　results　can　provide　important　decision　support　for　the　development　of　taxi　development　strategy,　improve　the　management　of　taxi　industry,　and　promote　the　sustainable　development　of　taxi.