In 2018, China's elderly (60 years & above) accounted for 16.1% of the total population, which means that China has entered an aging society. Pension finance has become a key factor in solving China's deep aging society. At present, China's pension financial system still has a big gap compared with developed countries. The commercial pension insurance in US accounts for 35.2% of the total, and its scale reaches 9.9 trillion dollars. However, the first pillar of pension finance in China is the basic pension insurance system, which accounts for nearly 80% of the entire pension system, with a scale of only 4.4 trillion yuan. At the same time, due to the low replacement rate of China’s first pillar of pension finance and the low coverage rate of the second pillar, more than 80% of Chinese nationals fail to meet their demand; The third pillar of pension finance in China has unique advantages in quickly identifying and responding to consumers' needs in a timely manner, and its basic needs are strong. According to data from iiMedia Research, the biggest preference for Chinese citizens is bank deposits and bank wealth management, which account for 30.2%, followed by commercial pension insurance products (20.5%), equity funds (13.2%), and purchase of real estate. (10.0%). iiMedia Consulting analysts believe that the popularity of Internet and mobile payment in recent years has greatly improved the convenience of accessing financial services for middle-aged and elderly people; the continuous improvement of financial technology based on big data and artificial intelligence analysis improves the science of pension investment. Financial technology becomes an important driving force for the rapid development of pension service finance in China. With the development of service-oriented government and PPP financing model, China's pension market will be further improved.