The invention relates to an installation component of a fixedly assembled shingle, which comprises a female clamping element, a spring steel poking element, a screw rod and an adjusting nut, wherein the female clamping element is provided with four surfaces which are respectively surface A, surface B, surface C and surface D according to the sequence, the four surfaces form the inner cavity of thefemale clamping element, when the installation component is used for the fixedly assembled shingle, the surface A of the female clamping element faces the wall surface, the surface C faces the assembled shingle, an inner supporting plate is arranged on the surface B in the inner cavity of the female clamping element, and a corresponding through hole is drilled in the surface A and the inner supporting plate, the spring steel poking element clamping groove is arranged on the surface B of the female clamping element, at the position between the surface A and the inner supporting plate, the spring steel poking element is arranged in the inner cavity of the female clamping element, one end of the spring steel poking element is fixed at the intersection of the surface C and surface D of the female clamping element, a spring steel poking element head is arranged at the other end of the spring steel poking element, and the middle section of the spring steel poking element is provided with athrough hole; the spring steel poking element head is clamped in the spring steel element clamping groove; and the outer side of the surface C of the female clamping element is fixedly connected withan outer clamping hook plate.