The proportional electro-hydraulic brake (PEHB) actutors is a safety device providing the independent braking forces to four individual wheels to slow down the car. PEHB includes a body with two halves, four proportional solenoid valves (replacing traditional four sets of the inlet and outlet valves), two traction control valves (replacing traditional two sets of the changeover and intake valves), two accumulators, an electric motor and a hydraulic pump. The operative mode of PEHB is selected from the group consisting of an anti-lock braking system (ABS), a traction control system (TCS), an electronic brake force distribution (EBD), and an electronic stability program (ESP). When ABS is activated, PEHB can master the slip ratio to an assigned value (prior EHB products can only avoid the slip ratio over a limit). Furthermore, the proportional solenoid valve in PEHB controls the fluid pressure through the force balance mechanism, then exerting a stable and optimal braking force for the specific wheel. When TCS, EBD or ESP is activated, the motor drives the pump to suck the brake fluid from the accumulator. Then braking is automatically applied to wheels individually in order to help the driver maintain vehicular control.