Among many soil pollutants, volatile organic compounds (VOCs) are a very important pollutant. VOCs is a general term for a large class of substances, from the point of view of monitoring or detection of volatile organic compounds refers to the detection of non-methane hydrocarbons measured by hydrogen flame ion detector, mainly refers to C3 ~ C8 organic compounds, including hydrocarbons, hydrocarbons, halogenated hydrocarbons, nitrogen hydrocarbons and sulfur hydrocarbons due to a large number of VOCs substances.