The first "China Environmental Mass Spectrometry Conference" was held in Qingdao from March 24-27, 2023. The conference was hosted by the Mass Spectrometry Branch of the Chinese Physical Society, undertaken by Shandong University of Science and Technology, and supported by the Environmental Chemistry discipline of the National Natural Science Foundation of China. Druing the meeting, Prof. Xiaoyan Sun gave a specially invited oral report entitled "Research on Gas Cluster Chemistry Based on Mass Spectrometry". Prof. Lihua Zhang from Dalian Institute of Chemical Physics, Chinese Academy of Sciences, delivered a certificate for the specially invited oral presentation to Prof. Sun.