膈下逐淤汤是清代王清任《医林改错》中创立的中药方剂,长期以来,广泛应用于临床治疗,是行之有效的活血化淤方剂,迄今仍在临床上应用。近二十多年来,膈下逐淤汤被用于治疗一些免疫性疾病,收到较满意的效果,为了揭示其作用原理,我们运用免疫学方法,进行实验研究,观察 Xixia Zhuyu Decoction is a traditional Chinese medicine prescription created by Wang Qingren during the Qing Dynasty. It has been widely used in clinical treatment for a long time and is an effective Huoxue Huayu formula. It is still used clinically. For more than two decades, Guixia Zhuyu Decoction has been used to treat some immune diseases and has received satisfactory results. In order to reveal its principle of action, we used immunological methods to conduct experimental studies and observations.