Abstract: A method for integrating enterprise collaborative operations in the product lifecycle management (PLM) and a system thereof are proposed. The system comprises at least a message server, at least a web server, a system engineering service platform server, at least a PLM application system server and an enterprise portal server. The system can build a system integration environment between customers, central manufacturers, and providers and offer a collaborative platform between enterprises. Information can thus be interchanged in real time in this system integration environment in the whole PLM from idea through specification requirement, design, development, manufacturing to termination, thereby providing a system integration method and environment for collaborative management, development, manufacturing and marketing between enterprises, providers and customers.