Scaffolding theory is guiding and practical for the classroom organization of business English conversational communi-cation, which helps teachers with their teaching by breaking through the barrier in students'communicative capability acquisi-tion through the training of their turn - taking and overall logical - arrangement - of - ideas skills. The mode of BEC speakingtest may be introduced to assess students'discourse competence and scaffolding - based oral business English classroom be con-structed. Studentsjdiscourse competence in busines...