Abstract:The sustainable development of enterprises can’t be separated from the cultivation of core competence. For manufacturing enterprises, the formation of technological core competence is the premise for them to obtain sustainable competitive advantage. By studying the two major industrial lines of water heater and washing machine of Haier Group, this paper analyses and summarizes the ways to form its technological core competence. The research results show that the ways of forming technology core competence are diversified, including digestion, absorption, imitation and innovation after technology introduction, establishment of R&D cooperation relationship, integration of external technological resources, acquisition of technology by mergers and acquisitions of other enterprises, independent innovation, precipitation of technology in internal and external project portfolios, etc. This paper hopes to provide some reference for our manufacturing enterprises.