Abstract: With the wide application of advanced information technology in smart energy system, the multi energy trading market under the energy Internet is facing many new challenges. Based on the blockchain technology, this paper constructed a co-governance transaction environment between aggregators and multi-microgrid in the microgrid cluster, and designed an alliance of aggregators and microgrids cluster transaction architecture and its block data structure under the blockchain network. Based on the principle of multi energy complementary, a node model considering carbon quota mechanism and environmental identification factor was established for the aggregator nodes, and the microgrid nodes including combined cooling heating and power (CCHP) system. Based on the new energy trading mode between aggregators and microgrid nodes, the environment identification factor incentive mechanism of dynamic cooperative game and the intelligent contract supported by MOEA/D (multi-objective evolutionary algorithm based on decomposition) were designed, and the co-governance coefficient was proposed to evaluate the effectiveness of the microgrid group operation strategy. Finally, the simulation results show that, on the basis of ensuring the utility of each transaction node, the block chain co governance transaction mode can provide strong support for the coordinated optimization and complementarity of multiple energy sources, it also can promote the local consumption of renewable energy power generation, and contribute to the low-carbon sustainable development of microgrid cluster.