升白口服液系在传统方“当归补血汤”的基础上增加数味药物，由党参、当归、熟地、枸杞子等十几味中药组成，利用水煮醇沉工艺提取多种水溶性成分制备而成的口服液体制剂。其中当归、黄芪、甘草等的有效成分均含有阿魏酸。本文拟订了口服液中阿魏酸含量测定的HPLC法，用于中间 Shengbai Oral Liquid is based on the traditional side “Danggui Buxue Decoction” and is based on a number of medicinal herbs. It consists of Dangshen, Angelica sinensis, Rehmannia glutinosa, Radix quinquefolium and other ten-taste Chinese herbal medicines. It uses boiled alcohol precipitation process to extract various water-soluble ingredients. Made from oral liquid preparations. The active ingredients of Angelica sinensis, Radix Astragali, and Radix Glycyrrhizae contain ferulic acid. This article has developed a HPLC method for the determination of ferulic acid in oral liquids.