A vehicle brake hydraulic pressure control device equipped with a base body for attaching functional components and being disposed between a master cylinder and a wheel brake, wherein the base body comprises: an inlet valve made of a normally-opened solenoid valve configured to connect or block between the master cylinder and the wheel brake; an outlet valve made of a normally-closed solenoid valve configured to connect or block between the wheel brake and a reservoir; a pump (5a, 5b) configured to suck brake fluid on the reservoir side and discharge the brake fluid toward the master cylinder and the wheel brake; a regulator connected between the master cylinder and a discharge port of the pump (5a, 5b) and made of a normally-opened solenoid valve configured to regulate a brake hydraulic pressure on the wheel brake side; a suction valve connected between the master cylinder and an intake port of the pump (5a, 5b) and configured to open while increasing the brake hydraulic pressure by the pump (5a, 5b); and a hydraulic pressure sensor configured to detect the brake hydraulic pressure of the master cylinder, when one side surface of the base body is divided into two areas by a reference plane, the inlet valve, the outlet valve, and the reservoir are disposed in one area and the regulator, the suction valve, and the hydraulic pressure sensor are disposed in other area, and the inlet valve and the regulator are disposed in symmetry with respect to the reference plane, and characterised in that the outlet valve and the hydraulic pressure sensor are disposed in symmetry with respect to the reference plane, and the reservoir and the suction valve are disposed in symmetry with respect to the reference plane. the base body comprises: an inlet valve made of a normally-opened solenoid valve configured to connect or block between the master cylinder and the wheel brake; an outlet valve made of a normally-closed solenoid valve configured to connect or block between the wheel brake and a reservoir; a pump (5a, 5b) configured to suck brake fluid on the reservoir side and discharge the brake fluid toward the master cylinder and the wheel brake; a regulator connected between the master cylinder and a discharge port of the pump (5a, 5b) and made of a normally-opened solenoid valve configured to regulate a brake hydraulic pressure on the wheel brake side; a suction valve connected between the master cylinder and an intake port of the pump (5a, 5b) and configured to open while increasing the brake hydraulic pressure by the pump (5a, 5b); and a hydraulic pressure sensor configured to detect the brake hydraulic pressure of the master cylinder, an inlet valve made of a normally-opened solenoid valve configured to connect or block between the master cylinder and the wheel brake; an outlet valve made of a normally-closed solenoid valve configured to connect or block between the wheel brake and a reservoir; a pump (5a, 5b) configured to suck brake fluid on the reservoir side and discharge the brake fluid toward the master cylinder and the wheel brake; a regulator connected between the master cylinder and a discharge port of the pump (5a, 5b) and made of a normally-opened solenoid valve configured to regulate a brake hydraulic pressure on the wheel brake side; a suction valve connected between the master cylinder and an intake port of the pump (5a, 5b) and configured to open while increasing the brake hydraulic pressure by the pump (5a, 5b); and a hydraulic pressure sensor configured to detect the brake hydraulic pressure of the master cylinder, when one side surface of the base body is divided into two areas by a reference plane, the inlet valve, the outlet valve, and the reservoir are disposed in one area and the regulator, the suction valve, and the hydraulic pressure sensor are disposed in other area, and the inlet valve and the regulator are disposed in symmetry with respect to the reference plane, and characterised in that the outlet valve and the hydraulic pressure sensor are disposed in symmetry with respect to the reference plane, and the reservoir and the suction valve are disposed in symmetry with respect to the reference plane. the inlet valve, the outlet valve, and the reservoir are disposed in one area and the regulator, the suction valve, and the hydraulic pressure sensor are disposed in other area, and the inlet valve and the regulator are disposed in symmetry with respect to the reference plane, and characterised in that the outlet valve and the hydraulic pressure sensor are disposed in symmetry with respect to the reference plane, and the reservoir and the suction valve are disposed in symmetry with respect to the reference plane.