The invention relates to the vehicular-display fixing technology, in particular to a fixing support for a vehicular display, and solves the problem that drivers and passengers cannot conveniently watch the vehicular display and the vehicular display is instable in work due to the existing vehicular-display fixing technology. The fixing support comprises a lower component, a middle component and anupper component, wherein the lower component comprises a lower mounting plate, a damping gear, a left straight guide rail, a right straight guide rail, a left large slider, a right larger slider, a left spring I, a right spring I, a left pull rod, a right pull rod, a left small slider, a right small slider, a left spring II, a right spring II, a left sprint bolt, a right spring bolt, a U-shaped handle, left magnetic steel I and right magnet steel I; the middle component comprises a pressing plate; the upper component comprises an upper mounting plate, a left arc-shaped guide rail, a right arc-shaped guide rail, a left vertical plate, a right vertical plate, a left fixing block, a right fixing block, a left torsional damper and a right torsional damper. The fixing support is suitable for being used to fix the vehicular display.