Transnational technology transfer of service industry has become a new trend of international economic development. By using second-hand data, the professional managers of ten service multinational companies from different countries in China are selected as the research objects for empirical research. Taking pthe degree of localization of middle-and high-level professional managers in the multinational companies as dependent variables, and the year when multinational companies entered China, the type of industries, the scale of enterprises and the geographical distance from China as independent variables, this paper deduces by SPSS.18, and makes an empirical study on this basis. The conclusion of this paper is that cultural differences are the most important factors that determine the localization of professional managers serving multinational companies. Geographically close to China, the cultural gap will be smaller than that of countries far from China, and the degree of localization and operation of multinational enterprises will be higher, otherwise, the degree of localization will be lower.