The utility model discloses a basement waterproof through-wall pipeline structure. Wall body, a waterproof device is arranged between a through-wall pipeline and a wall body; the waterproof device comprises an elastic gasket, a fixed block is arranged on the elastic gasket; a threaded groove is formed in the fixed block; a fixed plate is arranged on one side of the fixed block; a fixing nail is arranged on the fixing plate; the fixing nails penetrate through the fixing plate and extend into the wall body; a sliding groove is formed in the fixed plate; a transverse plate is arranged on one sideof the fixed plate; a slider is arranged at one end of the transverse plate close to the fixed plate; the sliding block is matched with the sliding groove; a through hole is formed in the transverseplate; a fixed rod is arranged on the transverse plate; the external threads on the fixing rods are matched with the threaded grooves; the through-wall pipeline fixing device has the advantages that the through-wall pipeline fixing device is simple in structure and convenient to use, the elastic gasket is fixed by the fixing rod through matching of the spring, the elastic gasket can be attached tothe through-wall pipeline, water is prevented from permeating between the through-wall pipeline and a wall, and the water is prevented from permeating the wall by arranging the elastic gasket betweenthe through-wall pipeline and the wall.