Through 70 years of trials and hardships, Chinese banking sector has grown and grown stronger through reform. The development of Chinese banking sector has attracted worldwide attention, which is not only attributed to the great leadership of the communist party of China, but also the collective wisdom of bankers. After 70 years of reform and opening-up and great success, Chinese banking industry has entered a new era and embarked on a new journey of development. From the perspective of theory and practice, summarizing the development footprint of Chinese banking industry in the past 70 years has great significance for building a modern service system of commercial Banks, promoting the steady and long-term development of the banking industry, and achieving high-quality economic and social development. This paper from domestic and international economic situation, economic and financial system, bank reform and innovation, regulatory system, opening to the outside world since seventy, reviews the founding of new China in the development of banking history footsteps, analyze the development achievement of adjust measures to local conditions, objective summarized in the development process of Chinese banking sector valuable experience, finally, the future development trend of banking to make in-depth analysis.