With the construction of the China Free Trade Port in Hainan and the increasing demand for talent in China Hainan Free Trade Port, high-level foreign skills are generally faced with immigration, household registration, social insurance, customs clearance of goods after entering Hainan, including in difficulties in various aspects related to employment, such as medical care, children's schooling. Therefore, to attract high-quality foreign talent, it is necessary to build a more effective service and labor-employment promotion working mechanism. Coordinate the functions and policy resources of various administrative departments at all levels, creating work synergy and making a suitable environment for retaining talents. The so-called foreign high-level skills and labor-employment promotion work system mainly refer to the cooperation promotion system between introducing high-level foreign talents and labor employment service departments. Different from the significant service research goals such as building an innovation and entrepreneurship carrier, building an efficient talent evaluation mechanism, and improving the government funding guarantee system. The focus of promoting mechanism optimization is establishing and implementing key service environments, organizations, and necessary tools to encourage service and better collaboration. Therefore, this paper is guided by the theory of association between government departments and the idea of government knowledge management based on workflow. It uses many literature research, surveys, comparative studies, field visits, and investigations, focusing on attracting high-level foreign talents to Hainan Free Trade Port in China. The first objective is to comprehensively investigate and study the primary practices, existing problems, and reasons for establishing the Hainan Free Trade Port to attract high-level foreign talents and the establishment of a coordinated promotion mechanism of public services for labor employment. Its main measures include implementing a unified service concept, establishing a green channel service mechanism, refining service implementation measures, establishing a fixed-point contact service system for experts, and implementing a "service specialist" system; the main problems are that talent satisfaction. Which needs to be improved urgently and business work is promoted. More specifically, the business process needs to be optimized urgently. The information-based business means are comparatively weak, caused by insufficient strategic planning, various business levels, low business standardization, informatization, and integration. The second objective is to study the practical exploration of establishing