The present invention relates to a quantum energy irradiation device having a water vapor ionization device embedded therein, capable of efficiently performing fumigation disinfection of crops and disinfection of bacteria in floating air. According to the present invention, the quantum energy irradiation device having a water vapor ionization device embedded therein comprises: a water vapor generation unit evaporating tap water supplied inside a flow path to produce dry vapor a first ion generator applying field electron energy generated by high voltage discharge to the produced dry vapor to generate a hydrogen cation (H+) and a hydroxyl ion (OH radical) through an electrochemical reaction of a water molecule of the dry vapor a pressurizer to press the generated hydrogen cation (H+) and hydroxyl ion (OH radical) a mixer injecting the pressed hydrogen cation (H+) and hydroxyl ion (OH radical) into a gas including air or a liquid including water in a diffuser installed in a pipe to start a first oxidation/reduction and disinfection process a second ion generate applying the field electron energy generated by high voltage discharge to the air including air or liquid including water completing the first oxidation/reduction and disinfection process to start a second contaminant purification and disinfection process through a dissolution, ionization, excitation, oxidation, reduction, and electrochemical reaction of gaseous and liquid contaminant molecules and a multistage quantum energy generator irradiating quantum energy to the air including air or liquid including water completing the second contaminant purification and disinfection process to start a contaminant purification and disinfection process.본 발명은 수증기 이온화장치가 내장된 양자에너지 조사장치에 관한 것으로, 보다 상세하게는 유로 내부로 공급되는 시수를 증발시켜 건조증기를 생산하는 수증기 생성부와 생산된 건조증기에 고전압방전에 의해 생성되는 전계전자에너지를 인가하여 건조증기의 물분자를 전기화학적 반응으로 수소 양이온(H+) 및 히드록실 이온(OH Radicl)을 생성하는 제1 이온화 발생기 생성된 수소 양이온(H+) 및 히드록실 이온(OH Radicl)을 가압하는 가압기 관로 내부에 설치된 산기관에 공기를 포함한 기체
