Abstract: A retaining frame of a display comprises a retaining seat fixed to a wall; a supporting seat combined to the retaining seat; a swingable sheet punched with a cambered connecting portion; a front surface of the connecting portion having a concave cambered surface and a back surface thereof having a convex cambered surface; a center of the connecting portion having a penetrating long hole; and the swingable sheet having a plurality of retaining holes for locking a display; a tighten sheet having a convex portion and a contact portion; and an adjusting set having a stud, a pad, an adjusting nut; the stud having a head and a threaded post; the threaded post penetrating through the through hole of the tighten sheet, the long hole of the swingable sheet, the penetrating hole of the supporting seat and the via hole of the stand rod.