Under the dual influence of policy guidance and market-driven forces, the integrated development of the publishing industry has evolved from the early-stage superposition of "technology+content" to a systematic reconstruction of content production, dissemination, consumption, and services. In this transition, the industry has continuously sought a dynamic balance between "breaking boundaries" and "depth-oriented cultivation". As an important component of the cultural industry, the local publishing sector not only drives the development of related regional industries—such as printing, distribution, cultural tourism, digital content services, and creative design—but also plays a critical role in promoting the transformation and upgrading of cultural creativity. This paper focuses on local practices of high-quality development in the publishing industry. Taking Liaoning Province as a case study, it systematically elaborates the multidimensional empowerment value of deep integration on the development of local publishing. Specifically, it examines how deep integration reshapes supply-side content systems, enhances brand influence and audience reach, expands service functions and application scenarios, and improves the resilience and sustainability of industrial development through technology-enabled upgrading and ecosystem-based collaboration. Moreover, this paper provides a comprehensive analysis of the major challenges currently faced by the province in advancing deep integration, including constraints related to institutional mechanisms, market competitiveness, innovation capacity, talent structure, digital infrastructure, data governance, and cross-sector coordination. On this basis, and in light of regional resource endowments and development realities, this paper systematically proposes practical pathways for promoting the deep integration of publishing industry in Liaoning Province. These including: leveraging policy support as a traction mechanism to optimize the industrial innovation ecosystem, improve supportive institutions, and strengthen guidance for factor aggregation and platform construction; taking content development as the fundamental basis to carry out full-industry-chain development of premium publishing, from topic planning and editorial production to marketing, distribution, and IP extension; using coordinated development as a support to build a new pattern of cross-boundary integration, promoting partnerships among publishing houses, media platforms, cultural institutions, technology enterprises, and educational organizations; and activating data as an engine to promote the digital and intelligent transformation of the entire publishing chain, enabling refined user services, intelligent distribution, and data-driven decision-making. These measures aim to continuously optimize industrial ecology, strengthen technological empowerment, and accelerate the construction of a modern publishing industry system with distinctive characteristics and a well-developed structure, thereby providing both theoretical insights and practical guidance for the deep integration development of publishing in Liaoning Province and other comparable regions.