From May 5 to May 8, 2023, the 14th National Biomedical Chromatography Mass Spectrometry and Related Technology Academic Exchange Conference, sponsored by the Chromatography Professional Committee of the Chinese Chemical Society, the Beijing Chromatographic Society of the Beijing Society for Physical and Chemical Analysis and Testing, and organized by the Beijing Society for Physical and Chemical Analysis and Testing Technology, and Yunnan Normal University, was held in Pu'er, Yunnan Province. Prof. Wan was invited to participate in this conference and gave a report titled "Separation and enrichment of endogenous hazards in plants for both food and drug use by magnetic and temperature dual-responsive molecularly imprinted polymers" at the "New Sample Pretreatment Technology" branch.