Most Business English juniours agreed that Creative Writing in Business is the most challenging course (24 or 63%) and 8 students (21%) thought Business Translation while 3 students (8%) thought Business Communication with Technology most challenging course and 3 student (8%) thought culture for Business Communication is the most challenging course. "It has to be a creative in writing and then we need to have skills in grammar dramatically," said Saifon. Julalak added that Creative Writing in Business course which is rather difficultly to challenge. In contrast, I think Business Translation (English-Thai) is the most challenge. When we need to translated to thai, this subject make us understand with sentence and get many vocabulary. However, when we translate, we can learn meaning in vocabulary new.