Disclosed is a five nodal point pressure-equalising device of steel rope sets for an elevator, wherein two second spherical nodal points (35) capable of oscillating are provided symmetrically on the two nodal point pressure-equalising assembly;three non-collinear second spherical nodal points (35) capable of oscillating are provided on the three nodal point pressure-equalising assembly (3); the oscillation centre of the two nodal point pressure-equalising assembly (2) is on the same horizontal plane as the oscillation centre of two first spherical nodal points (26) provided thereon, and is collinear; the oscillation centre of the two nod -al point pressure-equalising assembly (2), the oscillation centre of a balancing seat (1) and the oscillation centre of the three nodal point pressure-equalising assembly (3) are on the same horizontal plane, and are collinear; and the distance from the oscillation centre of the two nodal point pressure-equalising assembly (2) to the oscillation centre of the balancing seat
