An oxyhydrogen gas supply equipment, characterized by: a gas supply unit including an electrolysis device that is capable of generating hydrogen gas and oxygen gas through electrolysis, and an oxygen gas delivery pipeline and a hydrogen gas delivery pipeline that are connected to said electrolysis device; an allocating unit including a buffer tank that is connected to said oxygen gas delivery pipeline of said gas supply unit, and a throttle valve that is connected to said buffer tank and that is operable to regulate output of the oxygen gas from said buffer tank; and a mixing unit including a mixing tank that is connected to said hydrogen gas delivery pipeline of said gas supply unit and said throttle valve of said allocating unit and that is adapted for mixing the hydrogen gas from said hydrogen gas delivery pipeline and the oxygen gas from said throttle valve to form oxyhydrogen gas, an output pipeline that is connected to saidmixingtank and that is operable to discharge the oxyhydrogen gas, and a detector for detecting oxygen gas content of the oxyhydrogen gas inside said mixing tank to regulate the output of the oxygen gas from said throttle valve. a gas supply unit including an electrolysis device that is capable of generating hydrogen gas and oxygen gas through electrolysis, and an oxygen gas delivery pipeline and a hydrogen gas delivery pipeline that are connected to said electrolysis device; an electrolysis device that is capable of generating hydrogen gas and oxygen gas through electrolysis, and an oxygen gas delivery pipeline and a hydrogen gas delivery pipeline that are connected to said electrolysis device; an allocating unit including a buffer tank that is connected to said oxygen gas delivery pipeline of said gas supply unit, and a throttle valve that is connected to said buffer tank and that is operable to regulate output of the oxygen gas from said buffer tank; and a buffer tank that is connected to said oxygen gas delivery pipeline of said gas supply unit, and a throttle valve that is connected to said buffer tank and that is operable to regulate output of the oxygen gas from said buffer tank; and a mixing unit including a mixing tank that is connected to said hydrogen gas delivery pipeline of said gas supply unit and said throttle valve of said allocating unit and that is adapted for mixing the hydrogen gas from said hydrogen gas delivery pipeline and the oxygen gas from said throttle valve to form oxyhydrogen gas, an output pipeline that is connected to saidmixingtank and that is operable to discharge the oxyhydrogen gas, and a detector for detecting oxygen gas content of the oxyhydrogen gas inside said mixing tank to regulate the output of the oxygen gas from said throttle valve. a mixing tank that is connected to said hydrogen gas delivery pipeline of said gas supply unit and said throttle valve of said allocating unit and that is adapted for mixing the hydrogen gas from said hydrogen gas delivery pipeline and the oxygen gas from said throttle valve to form oxyhydrogen gas, an output pipeline that is connected to saidmixingtank and that is operable to discharge the oxyhydrogen gas, and a detector for detecting oxygen gas content of the oxyhydrogen gas inside said mixing tank to regulate the output of the oxygen gas from said throttle valve.