Zone trigger positioning method and device

The present invention discloses an area-triggered positioning method comprising: triggering an initial stage of the positioning of the area, determine the location period interval; periodic positioning procedure, to adjust the positioning of this next period of positioning the moving speed of a positioning target terminal interval; after positioning adjustment period after the interval, area-triggered location to start the next process. The present invention also discloses a positioning device for triggering region, comprising: positioning policy negotiation unit, positioning calculation unit, positioning unit and the positioning result notification periodic interval adjusting unit. With the present invention, can effectively improve the efficiency of locating the mobile terminal, saving network resources.