The improvement of the level of informationization and the development of network science and technology have prompted the transformation of marketing methods, and the requirements of the market for the management of enterprise marketing strategy are also improving. This paper integrates the process of enterprise management and enterprise marketing strategy construction, and constructs the model of continuous marketing ability according to the system of enterprise marketing strategy operation ability and marketing strategy construction process, and constructs the model of enterprise management and enterprise constant marketing ability. From the perspective of resources and competition, the enterprise marketing power model and marketing resource allocation model are proposed and analyzed. Combined with the market research data, the user groups of R Vehicles Ltd. are characterized. With the help of LDA method, the theme capture of multi-platform user evaluation text is carried out to establish the product word-of-mouth marketing model. According to the enterprise marketing grid resource demand, BP neural network is constructed to predict the enterprise marketing expenses and evaluate the efficiency of marketing resource allocation. The analysis shows that the company’s marketing staff salary accounts for 0.4909 of the total marketing resources, resulting in a waste of resources, and thus the company should adjust the ratio of marketing resource allocation, focusing on the input to output ratio.