Based on the analysis of simulation credibility evaluation’s requirements and problem domain, the concept of
credibility evaluation for simulation(CES) net is proposed, the net element’s mathematical definitions, rules, characteristics,
formulas, node priority etc. are provided, and an application example of simulation credibility evaluation is given. The CES
net method can supply a gap of the traditional analytic hierarchy process(AHP), and it is more suitable to solve the simulation
credibility evaluation problem.