The utility model discloses a mountain area transmission line assembled flexibility is partly drawn and is dug basis, including upper plate, base to reach the anchor rope of connecting upper plate, base, the base is assembled by several prefabricated plates and is group's round platform shape, and the top surface passes through the bolt and descends anchor slab fixed connection on the base, the upper plate top is equipped with the billet, all be equipped with the through -hole that supplies the anchor rope to penetrate down in the middle of anchor slab and the upper plate, the anchor rope bottom is through the anchor slab is continuous with the base down, and the anchor rope top is passed through the billet and is fixed on the upper plate, the upper plate lower surface is equipped with round ring baffle, the centre of a circle of circle ring baffle is central unanimous with the upper plate. The assembled flexibility of above -mentioned structure is partly drawn and is dug the basis and be embedded into original state soil below with the round platform die bed seat of lower part pin -connected panel, and such structure can full play original state soil resistance to plucking performance, has increased basic resistance to plucking bearing capacity by a wide margin, simultaneously, through setting up the ability that round ring baffle has increased basic anti horizontal loading at the upper plate lower surface.