Process assessment is the key to evaluate the course teaching quality,and which has become a hot topic in the field of education.Adding process assessment to the course of teaching is especially important for improving the quality and efficiency of course teaching.The"five forces"teaching model for process assessment is proposed based on the Sakai platform.The model includes five assignments:assignment,test,discussion,mid-term,and expansion.In the actual teaching application,the results show that the"five forces"teaching model attracts and stimulates students'study interest,expands students'knowledge,and improves the learning quality of the knowledge.At the same time,it improves the efficiency of teacher process assessment.