Blockchain creates an interconnected and shared data environment，improves business collaboration efficiency，and empowers industrial value circulation，and is widely used in the field of digital economy. At present，the superposition effect of China’s blockchain policy is continuing to be released，becoming an important engine area for the development of the digital economy in Henan Province. In the field of digital agriculture，blockchain empowers the digital transformation of Henan agriculture，bringing greater efficiency，transparency，and traceability to the exchange of value and information in the agricultural sector. In the field of intelligent manufacturing in Henan，the main applications of blockchain are logistics and supply chain management，anti-counterfeiting management，quality control，compliance，etc. In the field of modern service industry，blockchain is applied in cross-border supply chain management，customs regulatory innovation and supply chain finance，which can improve efficiency，reduce costs，and optimize process collaboration. To develop the full potential of blockchain technology in the field of Henan’s digital economy，government，research institutions，industry organizations，and enterprises need to work together，to promote the accelerated integration of blockchain and Henan’s digital economy.