The invention discloses a mounting protective partition structure used for internal wiring of a communication device, comprising a first mounting buckle, a connecting rod, a fixing plate and a plurality of second mounting buckles at one end of the first mounting buckle, wherein the other end of the first mounting buckle is connected with a plurality of second mounting buckles along a length direction; both ends of the first mounting buckle and the second mount buckles are provided with partition plates and a link rod is connected between themiddle parts of the two partition plates, clamping grooves are arranged on both sides of the middle parts of the connecting rods, positioning plates are clamped in the clamping grooves, two opposite sides of the partition plates are connected with pushing plates, the grooves are internally provided with pressing plates, an elastic layer is connected with the middle end of the bottom of each pressing plate, a sleeve is connected with the middle partof one end of each of the first mounting buckle and the second mounting buckles, and a fixing head is connected with the middle part of the other end of each second mounting buckle. The partition structure can protect the lines against damage caused by intertwining and contact, and the lines are mutually independent, and the maintenance and repair of the lines are convenient in the later period.