Human resource development at the national level is a national policy for securing national competitiveness suitable for the era of the 4th industrial revolution and post-pandemic era and fostering key human resources for individual development. The vocational competency development project organized by the Ministry of Employment and Labor invests more than 1 trillion won a year, and about 6,800 vocational training institutions are commissioned and operated. In particular, society is rapidly changing due to the 4th Industrial Revolution and COVID-19, and the national and society are very interested in innovation and development of various projects. However, studies on management strategies in the field of vocational skills development industry and vocational training institutions to develop talented people who are suitable for a rapidly changing environment are insufficient. This study will present a success strategy for developing vocational training institutions and a new policy perspective on vocational training policy through case studies on corporate growth and development strategies about GIT Academy Co., Ltd. operating the largest training institution in Korea among vocational training institutions, ranked first in training participants' market share, having more than 30 billion won in annual sales and more than 200 full-time workers, with the entire direct management store being an excellent training institution selected by the Ministry of Employment and Labor. This study shows the growth and the development process of GIT Academy according to changes in the external environment and policy changes in four stages by period and analyzes the success and development strategies using a mechanism perspective. Based on the creative mechanism that creates a new environment in the New Normal era with the strong vision, GIT Academy is again developing and making positive changes. As a mechanism perspective, the process of successful change is continuing to environmental creation(S-E-R)-environmental innovation(R-S-E)-resource innovation(E-R-S)-environmental creation(S-E-R) mechanism type. The growth and development process of a company based on the mechanism permutation of GIT Academy will have important implications to CEO what kind of mechanism permutation should be construct and what efforts should be made to. This study examines growth and development strategies for vocational training institutions using a mechanism perspective, It focuses on analyzing the growth and development process of vocational training institutions, the characteristics of the management strategy and know-how accumulation process, and management strategies that utilize policy opportunities and it will provide a practical perspective from a strategic aspect.