The invention discloses an intelligent marketing cloud service platform based on AI and big data. The intelligent marketing cloud service platform is used for solving the problems that an existing marketing platform is insufficient in service planning novelty and not high in enterprise pertinence. The cloud service platform comprises an enterprise login module, a cloud platform, a marketing generation module, a marketing release module, a document retrieval module, a document comparison module, a planner module, a voice recognition module, a problem retrieval module, a problem distribution module, a data acquisition module and a service analysis module. According to the invention, marketing demand data of an enterprise owner is published through the marketing publishing module and is provided for a planner to check; a planner makes a marketing copywriting through a computer terminal or a mobile phone terminal; the copywriting retrieval module is used for retrieving and duplicating marketing copywriting sent by a planner to obtain a repeated value, so that the novelty of the marketing copywriting is ensured; and meanwhile, a plurality of documents are sorted and sent, so that the document with the highest quality can be preferentially sent to an enterprise owner.