Since entering the new era,people have put forward new requirements for the living environment,and require the quality of the atmospheric environment to reach a higher safety level,therefore,the monitoring of harmful substances in the atmospheric environment has become an important work.According to the monitoring results,the formulation of scientific and reasonable prevention and improvement programs,and the evaluation and adjustment of the effect of the existing environmental control programs can promote the atmospheric environmental protection work to achieve better results.VOCs mainly refers to the content of volatile organic compounds in the atmospheric environment,so strengthening the monitoring of VOCs has become increasingly important.