Papaverine hydrochloride was found having strong enhancing effect on the chemiluminescence(CL) system of the luminol-K_3Fe(CN)_6 system under the alkaline medium,and the concentration of papaverine hydrochloride was directly proportional to the CL intensity in the certain papaverine hyolrochloride concentration range.Basing on this,a new flow injection-chemiluminescence method was developed for the determination of papaverine hydrochloride in papaverine hydrochloride injection,and factors affecting the CL i...