Driven by the carbon goals of“carbon peak by 2030 and carbon neutral by 2060”, the carbon market and green certificate market are developing steadily and rapidly. With the rapid development of carbon market and green certificate market,the interaction and coupling of carbon, green certificate and electricity market will be generated, and a trading system framework covering multiple markets and multiple subjects will be formed.The weight of renewable energy consumption responsibility are studied and considered. The degree of influence of each market subject by carbon market and green certificate market are combined. Based on the cost-benefit analysis of multi-agent market, an optimal trading decision model is established to maximize the profit of each trading agent. While meeting the assessment of renewable energy consumption level, the balance of market interests of all market players has been realized. The influence of renewable energy quota and carbon quota on electricity and profit of multi-agent trade is analyzed by numerical example.