急支糖浆是由鱼腥草、金荞麦、四季青、麻黄、前胡等中药制成的糖浆剂，治疗炎性咳喘，收载《中国药典》1995年版。为控制其质量，药典规定了阿魏酸、原儿花酸的薄层鉴别项目，但其供试液制备过于繁琐，本文作了简化改进，效果满意。1样品与试剂急支糖浆，四川涪陵制药厂，批号 Urgent syrup is a syrup made from Houttuynia cordata, Golden buckwheat, Sijiqing, Ephedra, and Peucedanum edulis, and it treats inflammatory cough. It contains the 1995 edition of the Chinese Pharmacopoeia. In order to control its quality, the Pharmacopoeia stipulates a thin layer identification project for ferulic acid and protocaproic acid. However, the preparation of the test solution is too cumbersome. This article has made a simple improvement and the results are satisfactory. 1 sample and reagent emergency syrup, Sichuan Fuling Pharmaceutical Factory, batch number