Soft-closing hinge for furniture comprising a movable hinge cup coupled to a door panel, a securing member coupled to a wall panel and a hinge arm configured to couple the hinge cup to the securing member. A damper on the hinge cup acts on the hinge arm at least when the hinge is closed. A spring is disposed in the hinge. One end of the hinge arm is hinged to the hinge cup. A cross section of an end of the spring is non-circular and has a sliding member with a concave chamber disposed thereon. An end of the spring is disposed in the concave chamber. A bottom surface of the sliding member acts on a rotation portion of the hinge arm via elasticity of the spring and moves relative to the rotation portion when the hinge is opened and/or closed to generate an opening or closing force.