How to response the changing market environment rapidly is a corner stone for enterprises to obtain competitive strength. Based on customer needs, this paper analyzes the difference of operational effectiveness between traditional 4Ps marketing mix system and the fast-feedback marketing system by combining the supply chain management theory with marketing mix strategy, and according to the System Dynamics methods. By empirical studying on X company, using Vensim.PLE simulation software on the two modes and comparing the performance of two modes in operational effectiveness, this paper puts out that the key point for customer satisfaction, sales and orders fast and sustainable growth is to change the traditional mode of marketing system and establish a consumer-oriented fast feedback marketing system based on supply chain management.