Acute pancreatitis(AP)is a common gastrointestinal emergency.With the improvement of living standards,the incidence of severe AP has been increasing year by year.The combined treatment of traditional Chinese and Western medicine has shown advantages in the clinical practice of acute pancreatitis.In recent years,the pharmacological mechanism of Dachaihu Decoction combined with Dachengqi Decoction in the treatment of acute pancreatitis has been continuously studied,and the pharmacological active components in the prescription are also being explored.This article aims to summarize relevant research on the theoretical basis,clinical application,active ingredients and pharmacological mechanism of Dachaihu Decoction combined with Dachengqi Decoction in the treatment of acute pancreatitis,providing reference for clinical practice and further research.