Ma Man Kei and Lo Pak Sam College invited Assistant Professor of the Institute of Chinese Medical Sciences, University of Macau, Ligen Lin, to a give a lunch talk entitled “Say ‘No’ to Drugs” on 20/09/2017 (Wed). There were over 70 academic staff and students joined the talk. In the talk, Dr. Lin shared with students that more and more young generation are getting addicted to drugs. Dr. Lin took an interactive approach to explain what are addictive drug, the discovery and chemical character of addictive drugs, and why drugs cause addiction which is a big concern to the society.