On 13th August, Henan University Biweekly BioMed Seminar (HU-BBS) was held in meeting room B201, School of Life Sciences, who organized this 22nd seminar in which Professor Lu Minghua delivered a keynote report titled Methods for Sample Pre-treatment and Detection in the Analysis of Drug, Food and Environment. Over 40 experts and scholars, who were from chemistry, biology, basic Medicine, pharmacy, materials science and psychology were present at the seminar. There were also few experts and scholars as well as many graduate and doctoral students of Henan University joining in the seminar via Tencent Meeting, an online platform.