Modular device for improving soil environment

The utility model discloses a modularized device for improving a soil environment. The modularized device comprises a temperature adjusting module, a medicament treatment module, a gas exchange module and a control module, wherein the temperature adjusting module comprises a plurality of heating wells which are at least partially arranged in the soil to be improved. The agent treatment module comprises at least one agent storage tank and at least one agent injection well, the agent storage tank is used for storing to-be-injected agents and/or clear water, and the agent injection well is at least partially arranged in to-be-improved soil and communicated with the agent storage tank. The gas exchange module comprises a fan, at least one gas exchange well and a purification assembly, the gas exchange well is at least partially arranged in to-be-improved soil and communicates with an air inlet of the fan, and the purification assembly is connected to an air outlet of the fan and used for purifying gas extracted b