The 6th IAGG Master Class on Ageing held in Taipei, Taiwan on Mar 26th-28th, , 2015 has gained great success. The main theme of this Master Class was “Aging, Immunosenescence, Infectious Diseases and Vaccination”. Thirty young geriatricians coming from Japan, South Korea, Singapore, Malaysia, China and Taiwan attended this session. Eight tutors with solid expertise were invited to address lectures on frailty, vaccination and cardiovascular risks and recommended vaccination for the elderly, etc. The case presentation and group activities have provided great chance for the delegates to work with each other and promote collaboration in future Asian research network.