乙酰螺旋霉素片是临床上广泛使用于消炎、抗菌的一种大环内酯类抗生素药品。我国现行的质量标准[1] 中鉴别项为在 2 31± 2ｎｍ处有最大吸收 ,加碘试液、碘化铋钾试液均呈沉淀反应。但该方法专属性较差 ,难以区分大环内酯类药物的品种。我们采用薄层色谱技术[2 ,3 ] 对乙酰螺旋 Acetylspiramycin tablets are clinically widely used in anti-inflammatory, anti-bacterial macrolide antibiotics. China’s current quality standards [1] in the identification of items in the maximum absorption at 2 31 ± 2nm, iodine test solution, bismuth potassium iodide test solution was precipitation reaction. However, the method is less specific and it is difficult to distinguish between macrolide drugs. We used TLC [2, 3] for acetyl helix