For a better understanding of factors affecting the user experience and satisfaction of Mobile Internet, based on the delivered value principle, the paper quantifies the influencing factors and user evaluation of delivered value, and then establishes the delivered value model of Mobile Internet It also analyzes the Mobile Internet from the perspectives of networks, terminals and applications, and then does empirical research on influencing factors of delivered value, getting the factors affecting networks, terminals and applications of Mobile Internet separately, and also getting the factors affecting the delivered value of Mobile Internet In conclusion, the product value has strongest influence, and spiritual cost, service value and monetary cost are less influential, and personnel value, image value, time costs and physical costs are least influential, based on which, this paper gives proposals to improving the user experience of Mobile Internet