Objective: Public hospitals belong to appropriation units for financial difference,carrying out efficient and accurate per- formance audit of medical equipment is conducive to improving the operation and management of public hospitals. Methods: The quantifiable model of performance audit of medical equipment containing seven elements on the basic of “5E” performance audit were constructed, and it’s application were demonstrated by the medical equipment data of BN hospital. Results: The model can be used to efficiently and accurately discover the performance problems of medical equipment in public hospitals and make audit evalua- tion. Conclusion: The efficiency and accuracy of performance audit of medical equipment in the sample hospital can be improved by using the model.