复方草珊瑚含片是由草珊瑚、薄荷脑、薄荷油加工而成，具有疏风清热、消肿止痛、清利咽喉之功效。其中主要有效成分薄荷脑和薄荷油对皮肤和粘膜产生清凉感以减轻不适及痛感［１］。为有效控制产品质量，保证临床用药安全，本文研究建立了气相色谱法测定复方草珊瑚含片中薄荷脑? The compound grass coral lozenge is processed from squid coral, menthol and peppermint oil. It has the effect of clearing heat, reducing swelling and pain, and clearing the throat. The main active ingredients, menthol and peppermint oil, produce a cool feeling on the skin and mucous membranes to reduce discomfort and pain [1]. In order to effectively control the quality of products and ensure the safety of clinical medications, a gas chromatographic method for the determination of menthol in Compound Grass Coral Lozenges was established.