This research is to apprehend the environment and method for successful strategic alliance between Korean automobile parts companies and global automobile companies so that the methods to reinforce the competitiveness of domestic automobile parts industry can be suggested. Therefore, this research used various advanced researches, books, research reports of relevant institutes based on business practice experience, to apprehend the market environment of automobile parts industry and built the theoretical foundation about Strategic alliance. Also, by analyzing the cases of Strategic alliance between companies, deducted the indications about the success factors of the alliance. Also, to raise the quality of the research performance, processed a survey to people concerned in the domestic automobile parts companies that actually constructed strategic alliance with global companies, to investigate the features of the company, contents, environment and performance of the strategic alliance recognized by them. And finally, focused on these research results, suggested the directions for improvement and development to reinforce the competitiveness of domestic automobile parts companies.