Thailand as the country which never been colonialized by any foreign countries has both the advantage and the weakness. One of the shortages is that inadequate skill, ability and knowledge in learning the other language such as English as the lingua franca. Thailand is now focusing on improving their English language skills because English currently more
commercial in ASEAN. They want to be more competitive in integrating the students’ English
education skills. But in fact, the influence of English is apparently still low in Thailand. This paper conveys the reason why most students in Thailand have difficulties in speaking English. Oral language skill is one of the four skills in English which could be the most difficult process for student to make a deal with. There are many factors which affect Thai student to be difficult in concerning with English especially in speaking