Environment-friendly and safe hydrogen and oxygen separation device and method for car, ship and home fuel

The invention provides an environment-friendly and safe hydrogen and oxygen separation device and method for car, ship and home fuel, and discloses a hydrogen and oxygen separation device. The hydrogen and oxygen separation device comprises a water tank, a gas storage tank, a water and gas return pipe, a hydrogen and oxygen reaction box and a control displayer; a control panel and the control displayer are arranged on the upper portion of the water tank, electrolyte is contained in the water tank, and electrodes are installed in the electrolyte; a compressor pipeline is arranged on the right portion of a catalyst pipeline; and a filter element is arranged in the water tank, the water and gas return pipe is arranged on the upper portion of the filter element, the gas storage tank is connected to the left end of the water tank, a hydrogen and oxygen flow separating and storing tank is arranged at the left end of the gas storage tank, and the hydrogen and oxygen reaction box is arranged on the upper portion of t