Objective:To evaluate the effect of early endoscopic treatment for patients with severe acute biliary pancreatitis.
Methods:Ninety patients with severe acute biliary pancreatitis were divided into three groups: Thirty patients underwent early endoscopic treatment (group A), 30 patients underwent expectant treatment (group B) and 30 patients receive surgical treatment (group C), respectively.  complications and safety were evaluated.
Results:The symptoms and signs disappeared in all 30 cases after early endoscopic treatment. All the 30 patients (100%) of endoscopic treatment (group A) were cured which significantly better than the other groups(group B 83.3% and group C 93.3%, respectively).
Conclusions:Early endoscopic treatment relieves the orifice obstruction of biliary and pancreatic ducts, decreases the pressure of biliary and pancreatic ducts, it is safe, mini-invasive and highly effective for the treatment of severe acute biliary pancreatitis.