PROBLEM TO BE SOLVED: To provide a sorption device of evaporated substances, which reduces evaporated substances in soil contaminated by the evaporated substances to such numerical values that human bodies are not affected by the evaporated substances, and allows the soil after treatment to be recycled.SOLUTION: The sorption device of evaporated substances includes: a heating furnace 1 which houses at least soil to be treated, including evaporated substances and subjects the soil to be treated to heat treatment; a pump 14 which is disposed in first piping connected to the downstream side of the heating furnace and reduces pressure in the heating furnace; freely detachable recovery cartridges 11 and 19 which are provided on the downstream side of the pump and house a sorbent which sorbs evaporated substances in the soil to be treated; a radiation measuring instrument 12a which is disposed in the first piping between the heating furnace and the pump and measures radiation of evaporated substances in the first p
