Due to the rapid development of media convergence technology and the continuous evolution of communication tools and methods, the perspective of media ecology emphasizes different media's characteristics and can expand the field of military communication-related research. Moreover, it thereby helps to propose some effective communication strategies including building military image, improving military marketing, and promoting all-out defense education, for younger generations. This article proposed some major niches of contemporary media ecology research, which not only expand the horizons and tentacles of media ecology, but also contribute to the enrichment and integrity of related field.