Soil treatment system

The utility model discloses a soil treatment system which comprises a box body, a conveying system arranged in the box body, a power fan connected with the box body, a preheating chamber connected with the power fan and a catalytic bed connected with the preheating chamber, and the catalytic bed is connected with the box body. The power fan is obliquely arranged in the box body, a flow guide plate is arranged in the box body, and the flow guide plate is obliquely arranged above the power fan; the box body is connected with the catalytic bed through a hot air channel, a stop valve and a discharge pipe are arranged on the hot air channel, a discharge valve is arranged on the discharge pipe, the discharge pipe is close to the catalytic bed, and the stop valve is far away from the catalytic bed; and the discharge pipe is communicated and vertical to the horizontal section of the hot air channel. According to the soil treatment system adopting the structure, the problems that an existing soil treatment system is u