City Disinfectants truck, which uses water mist to absorb dust in the air and dilute the concentration of pollutant particles in the air to achieve the effect of (solid dust, dust reduction, clean and purified air), effectively alleviate the air pollution phenomenon of urban dust particles and can be used in public places (Humidification, cooling, disinfection, deodorization). It can improve air quality, reduce PM10 and PM2.5, and is known as PM2.5 management artifact. At the same time, it can also improve the dust pollution caused by material stacking in industrial and mining operations, building construction and blasting demolition, and can also be used for urban air treatment, pesticide spraying and disinfection.