The invention discloses a contaminated soil restoration treatment device. The contaminated soil restoration treatment device comprises a vehicle body, wherein a soil excavator, a centrifugal device, a stirring device, a microorganism decomposition device, a heating unit and a curing box are arranged on the vehicle body, the stirring device comprises a stirring shell, a crushing device, a rotary motor, a rotating shaft, a stirring rod and a crushing blade, the crushing device comprises a crushing motor, a crushing shaft and a crushing blade, and the heating unit comprises a heating box, a heater and a temperature controller. According to the contaminated soil restoration treatment device, the mobility is good, onsite treatment on a contaminated soil site is carried out, and contaminated soil can be analyzed, so that an optimal treatment chemical is obtained; irrelevant garbage is separated by virtue of the centrifugal device and cannot be taken into other treatment devices, so that soil treatment efficiency is improved; and the device adopts multiple ways such as the chemical and microorganisms for treating the contaminated soil, treatment effect can be more obvious, and the heating unit adopts a thermal desorption technology for removing organic pollution in the soil.