Prof. Leyong Wang was pleased to participate the Supramolecular Chemistry Ireland symposium which was held on June 27-29th at Maynooth University, Ireland, and to deliver an invited lecture. The hotel is the University accommodation on the historic side of the campus. Maynooth is a very lovely university town. And then He visited Royal College of Surgeons in Irelan at the Dublin. Many thanks to our great host of Prof. Robert Elmels at Maynooth University, Dr. Dan Wu （吴丹）and Prof. Donal O’Shea from Department of Pharmaceutical and Medicinal Chemistry, Royal College of Surgeons in Ireland (爱尔兰皇家外科医学院).