Objective: To revise and improve the quality standard of vinegar backed E. ebracteolata. Method: 10 batches of vinegar backed Euphorbia ebracteolata were investigated with TLC. Moisture content

total ash

acid-insoluble ash and extractum were explored. The content of ebracteolata cpd B was determined by HPLC. Result: The quality standard was preliminarily formulated as follows: the moisture content should not pass 9.12%. Total ash should not pass 6.50%. Acid-insoluble ash should not pass 1.09%. Alcohol-soluble extractive should not lower than 7.70%. The content of ebracteolata cpd B should not lower than 0.038%. Conclusion: Quality control quantization evaluation system of processed E. ebracteolata slice is preliminarily established.