On the 14th during the "Two Sessions" in Henan, the representative of Henan Provincial People's Congress Wang Jinsong said that small and medium-sized cities in Henan provided a unique and irreplaceable "test field" for the experiment and practice of blockchain technology applications. Wang Jinsong introduced that Henan is an important experimental area for the combination of blockchain technology and governance. It has a good scenario of blockchain technology application and has the objective advantage of developing blockchain. On the one hand, small and medium-sized cities in Henan are an important living space for small, medium and micro enterprises, and they have an industrial ecosystem with a wealth of industry categories, enterprise sizes, organizational methods, products and services; on the other hand, small and medium-sized cities in Henan are also important in the process of urbanization in China. Social governance and organizational form, with unique social scenarios. Therefore, it is suggested that Henan should make a good "test field" for the application of blockchain technology.