The invention discloses a manual sliding system for armrests of auxiliary fascia consoles, and the manual sliding system is composed of a lower frame, an upper frame, a sliding mechanism, a locking mechanism, a damper, a lower cover and an outer cover, wherein the lower cover, the lower frame and the outer cover are combined together from top to bottom, and the sliding mechanism, the locking mechanism and the damper are arranged between the lower frame and the upper frame; the sliding mechanism is composed of a sliding rail and a sliding slot, the sliding rail is formed on the lower frame, the sliding slot is formed by the upper frame, the sliding rail is composed of a rigid structure and an elastic structure, the rigid structure provides a bearing force, the elastic structure guarantees the smoothness and stability of sliding, the sliding rail is arranged in the sliding slot, and a lubricating material is attached to the surface of the elastic structure of the sliding rail; and the locking mechanism is composed of a locking pin and a compression spring, and the locking pin is clamped and fixed at the bottom of the upper frame; and the damper is composed of a rack and a damping gear, the damping gear is clamped on the lower frame, the rack is formed on the upper frame, and the rack is meshed with the damping gear. Since the damper is arranged, the consistency of sliding forces is ensured.