Through the analysis about the present situation of ship manufacturing industry informatization, introduces cloud manufacturing. The construction of the ship enterprise manufacturing service platform in the cloud manufacturing environment is studied. Detailedly describes the function of each module and build ideas. The key technology involved service platform is introduced, describes in detail the operation process of the service platform of ship manufacturing in cloud manufacturing environment. The service platform of ship manufacturing in cloud manufacturing environment for the realization of a certain region to maximize resources and manufacturing taskshipbuilding fast matching has important significance.