In a customer-driven market, customer participation provides a large amount of innovative information for the company, which is conducive to the development of corporate innovation activities.Based on the analysis of how customer participation affects the manufacturing enterprise-supplier knowledge transfer, this paper establishes a system dynamics model.And the simulation was carried out using Vensim PLE software to verify the validity and sensitivity of the model.From the knowledge transfer process and the results, it is verified that customer participation is beneficial to manufacturing enterprise-supplier knowledge transfer.The research results can provide advice for companies to promote customer engagement and promote manufacturing-supplier knowledge transfer.