This article first introduces patent-cloud and put forward the implementation background, in the full investigation and reference of domestic and foreign e-commerce platform design and operation mode, combined with the implementation of the patent cloud platform, carries on the design to the overall architecture of cloud platform, Then, introducing the idea of construction of basic platform and the idea of construction of patent cloud based software, at last, design the application software system suitable for patent cloud platform. Including three application patent public service cloud, hosting services cloud, patent patent business cloud.