Abstract:In order to better play the role of the state as the major organizer of scientific and technological innovation, improving the new state-owned system under the conditions of socialist market economy, combined with the realistic background of urgent tasks, long cycle and high risk of key core technologies, the supervision and guidance party with the government as the main body will be integrated into the innovation ecosystem as an independent subject, and give it a new connotation of the times. Based on the perspective of an innovative ecosystem, this study explores and analyzes the roles and interests of various stakeholders. It establishes a logical framework for the interaction among these stakeholders and constructs a four-party evolutionary game model. The model consists of knowledge suppliers, technology transfer agents, supervisory guides, and user demand parties. This model is based on knowledge and technology, linked by organizational supervision, centered around outcome transformation, and guided by user demands.Under the assumption of bounded rationality, this study analyzes the stability of strategy choices and the overall evolutionary trend of the system from the perspective of interests. It combines evolutionary game theory and differential calculus to identify potential stable points in the system and conduct stability analysis. Computer simulation is employed to clarify the key factors influencing the stability of system evolution.Based on the simulation and analysis of system evolution trends and the probability of different initial strategy choices, this study focuses on simulating the parameters related to the supervisory guidance provided by the government. The simulation experiments show that the evolutionary trend and process of the system are consistent with the analytical conclusions, and all game participants reach a steady state within one time period. Increasing the probability of initial strategy choices for knowledge suppliers and supervisory guides, while decreasing the probability for technology transfer agents and user demand parties, helps accelerate the speed of the evolutionary game and improve system stability.Regarding supervisory guidance, maintaining a strong regulatory state and reducing non-research expenditure costs have positive effects on system stability. However, intensifying policy incentives and penalties will increase the volatility of the evolutionary game and alter the equilibrium point of the system. This is because when the government, as an independent entity, participates in innovation, increasing regulatory efforts indirectly affect its own costs. Under the assumption of bounded rationality, it tends to seek benefits and avoid harm, adjusting its strategy choices accordingly. Although it is possible to temporarily maintain a strong regulatory state at any cost to address urgent and significant tasks, this approach is not sustainable in the long run. Therefore, to establish a sustainable and stable innovative ecosystem, it is recommended to introduce evaluation measures and enhance the government"s regulatory capacity through improved evaluation and identification abilities to support continuous research output.