On December 24, 2015, the National Library of Viet Nam has organized the first symposium “Making suggestions on National Standards: Library activities - Terms and definitionsof library products and services” in Ho Chi Minh City in order to exchange opinions, discussion and comments on the draft. There were leader-level representatives from library – information institutions; Directorate for Standards, Metrology and Quality; experts in the library sector of the southern territory from Thua Thien Hue downwardly attending the symposium. The draft of National Standards “Library activities - Terms and definitionsof library products and services” consists of 132 terms and definitions which were built on the basis of reference, extension, update from the modern content, terminologies of the announced standards, dictionaries… of some countries (mostly from United States and Russia), compliance with the harmonic principle with ISO (international standard)....