With the restructuring of the country’s economic and industrial structure in the past few years, the demand for energy by enterprises and residents is increasing. After the distributed energy grid cluster joins the electricity, heat, and natural gas market, the role of the distributed energy grid cluster is also converted into a market entity, and how to maximize its profit is the primary issue that each self-financing market entity must consider, so it is necessary to analyze and research on the market transaction, competitive offer and cooperative offer of the distributed energy grid cluster participating in the electricity, heat and natural gas market.