Method and its device for automatically configurating PVC to ADSL terminal

The present invention discloses ADSL terminal automatically configuring PVC method. Said method includes 1, asymmetric digit user loop wire ADSL terminal adding parameter stored PVC parameter list to user PC transmitted message, then retransmitting said message to office terminal equipment to make PVC searching; 2, ADSL terminal receiving network side broadband access server responsive PVC parameter message, setting said PVC parameter as ADSL terminal PVC parameter. The present invention adopts variety strategy and message type to make automatically PVC configuring, raising reliability and flexibility.