System for removing peculiar smell of pesticide-polluted site

According to the system for removing the peculiar smell of the pesticide-polluted site, a plurality of injection wells, a plurality of extraction wells and at least one monitoring well are arranged on the site to be repaired, and the system comprises an air and ozone injection module, a steam and medicament injection module, a tail gas purification module and an intelligent monitoring module. The air and ozone injection module comprises a first fan, an ozone generator, a first flow meter, a second flow meter and a gas mixer, the first fan is communicated with the gas mixer through the first flow meter, and the ozone generator is communicated with the gas mixer through the second flow meter; the steam and medicament injection module comprises a steam generator and a medicament injection system, and the steam generator and the medicament injection system are communicated with a plurality of injection wells; the tail gas purification module comprises a gas-liquid separator, a second fan, a tail water processor,