Objective To investigate the proficiency of testing lead in food safety lahs in China and to enhance the technical level and quality control capability of lahs participating in the test. Method Lahs were invited to participate in the Proficiency Testing ( PT) voluntarily. Using routine methods in their lahs to detect lead in food additive calcium powder was recommended. Testing results were analyzecl by Robust Stat. Results There were 83 labs participating in the PT, 76 labs reported their results, 78.9% of results were satisfied, 14. 5% were uncertain and 6. 6% were unsatisfied. Conclusion Most of food safety labs participating in the test could accurately detect lead in food additive calcium powder samples.