A laundry treatment apparatus includes a main washing apparatus and a secondary washing apparatus that includes a cabinet, a drawer housing within the cabinet, a tub in the drawer for receiving washing water, hanging couplers provided at an outer circumferential surface of the tub and spaced apart from each other, suspending couplers provided at the drawer housing and positioned at locations corresponding to the hanging couplers, a drum rotatably provided in the tub, and suspension assemblies provided between the drawer housing and the tub to attenuate horizontal and vertical vibrations of the tub, the suspension assemblies being disposed between respective hanging couplers and suspending couplers to support the tub. Each of the suspension assemblies includes a support bar, support members at both ends of the support bar through which the support bar extends, and an elastic member disposed on the support member provided at one end of the support bar.