A spherical pump, comprising: a rotating disc; a rotor; and a hydrostatic pressure support for the rotor; characterized in that the hydrostatic pressure support comprises: a first liquid flow channel; a second liquid flow channel; and at least two pressure-bearing grooves; wherein the first liquid flow channel and the second liquid flow channel are both arranged on the rotating disc; two parallel sides of a slipper of the rotor are respectively provided with the pressure-bearing grooves; the first liquid flow channel comprises a first inlet and a first outlet; the first inlet is communicated with a first working chamber of the spherical pump; the second liquid flow channel comprises a second inlet and a second outlet; the second inlet is communicated with a second working chamber of the spherical pump; the first outlet and the second outlet are respectively communicated with the pressure-bearing grooves provided on the two parallel sides of the slipper; a slipper liner is arranged between each of the two parallel sides of the slipper and a sliding groove of the spherical pump; the two parallel sides of the slipper respectively fit with slipper liners on both sides; the slipper is configured to slide back and forth in the sliding groove along surfaces of the slipper liners; and the hydrostatic pressure support is arranged between each of the two parallel sides of the slipper and a corresponding slipper liner. a rotating disc; a rotor; and a hydrostatic pressure support for the rotor; characterized in that the hydrostatic pressure support comprises: a first liquid flow channel; a second liquid flow channel; and at least two pressure-bearing grooves; wherein the first liquid flow channel and the second liquid flow channel are both arranged on the rotating disc; two parallel sides of a slipper of the rotor are respectively provided with the pressure-bearing grooves; the first liquid flow channel comprises a first inlet and a first outlet; the first inlet is communicated with a first working chamber of the spherical pump; the second liquid flow channel comprises a second inlet and a second outlet; the second inlet is communicated with a second working chamber of the spherical pump; the first outlet and the second outlet are respectively communicated with the pressure-bearing grooves provided on the two parallel sides of the slipper; a slipper liner is arranged between each of the two parallel sides of the slipper and a sliding groove of the spherical pump; the two parallel sides of the slipper respectively fit with slipper liners on both sides; the slipper is configured to slide back and forth in the sliding groove along surfaces of the slipper liners; and the hydrostatic pressure support is arranged between each of the two parallel sides of the slipper and a corresponding slipper liner. a first liquid flow channel; a second liquid flow channel; and at least two pressure-bearing grooves; wherein the first liquid flow channel and the second liquid flow channel are both arranged on the rotating disc; two parallel sides of a slipper of the rotor are respectively provided with the pressure-bearing grooves; the first liquid flow channel comprises a first inlet and a first outlet; the first inlet is communicated with a first working chamber of the spherical pump; the second liquid flow channel comprises a second inlet and a second outlet; the second inlet is communicated with a second working chamber of the spherical pump; the first outlet and the second outlet are respectively communicated with the pressure-bearing grooves provided on the two parallel sides of the slipper; a slipper liner is arranged between each of the two parallel sides of the slipper and a sliding groove of the spherical pump; the two parallel sides of the slipper respectively fit with slipper liners on both sides; the slipper is configured to slide back and forth in the sliding groove along surfaces of the slipper liners; and the hydrostatic pressure support is arranged between each of the two parallel sides of the slipper and a corresponding slipper liner.