The invention discloses an optimization and integration system used for logistics. The optimization and integration system comprises an application integration module, a control packaging module, a car-pooling business information receiving module, an order releasing module, an order selecting module and a delivery information output module. The logistics order placing application of different logistics companies is integrated and packaged in a unified ActiveX control so that the logistics order placing application of different logistics companies can be unified, unified order placing of multiple logistics companies, especially the car-pooling order, can be realized and the possibility of realizing car pooling can be increased.