Provided is a portable electrolytic hydrogen and oxygen gas suction tool capable of selectively generating hydrogen and oxygen. This electrolytic hydrogen and oxygen gas suction tool is characterized by including an electrolysis tank capable of storing water and constituted by an upper part and a lower part which are fluidically connected to each other therein and integrally molded, a pair of electrodes disposed in the lower part in the electrolysis tank, standing substantially in parallel with a vertical direction of the electrolysis tank, and faced with each other in a lateral direction, a battery, and a control substrate which supplies power from the battery, in which the electrode is supplied with or shut off from power supply from the battery by the control substrate.
