\ To explore an approach for realizing the complete informatization of the arsenal enterprise

the importance and necessity are analysed. According to the conditions and the present situation of national arsenal enterprises

the informatization frame is studied

and the mothod of integrating arsenal enterprise information with Product Data Management(PDM) and Enterprise Resource Planning(ERP) is analysed. According with the present situation and the requirement of enterprises a practical informatization method is provided

that is

in the course of realizing the informatization on arsemal enterprise

based on adopting PDM system

ERP system should be taken further

to achieve complete informatization.