In the context of cultural diversification and exchange, this paper first proposes the direction and grasp of mainstream media integration development in foreign communication, mainly focusing on communication concepts, communication principles, communication methods, optimization of communication skills and enhancement of attractiveness. Then, we use the weighting function algorithm to solve the problem of users’ communication ability in mainstream media and analyze the media ability in different audience groups according to the weight distribution scheme and weighted boda ranking. As age increases, traditional mainstream media remains the preferred choice of older individuals, and the audience’s influence on mainstream media continues to increase, as shown by the results. For the public aged 18~25, the influence score is 31.95. The older the audience is, the more influenced they are by mainstream media. This paper aims to analyze mainstream media’s communication power from multiple angles and provide a reference research value for foreign communication.