To promote research in the field of teaching and learning Chinese as a second language and to facilitate the application of research findings, the 5th International Conference on Teaching and Learning of Chinese as a Second Language (TLCSL) was held at Suntec Singapore International Convention and Exhibition Centre on 12-13th Sep 2018. The conference theme was “Inheriting the past, Leading the future”. The two-day conference had attracted over 1000 educators and scholars from all over the world. A total of 199 papers were presented. Principals Academy co-organised the event with the Singapore Centre for Chinese Language.