Drug-induced acute pancreatitis(DAP)is defined as pancreatitis with corresponding clinical manifestations resulted from drug-induced pancreatic secretion dysfunction and pancreatic tissue damage.One case of DAP resulted from chemotherapeutics(Nimustine)was diagnosed and treated our in hospital in 2009.This patient belonged to panereatitis induced by anticancer drugs,and the toxicity of anticancer drugs acted directly on pancreatic cells,leading to the occurrence of pancreatitis.After treatment,the pancreatitis was effectively treated in this patient,but the final the patient and his family eventually gave up the treatment due to aggravated primary diseases.