In the part of Thailand ,studying English is the big problem of Thai children because they cannot speak or write English fluently. Though the country has the logon ASEAN. Which may adversely affect the Thai may lose interest to ASEAN countries together. The causes of the problems that Thai children from weak English. For several reasons, mainly from the awake and realize the importance of English from oneself, from school or from the family. Followed by the problems that may be caused by the instruction.The course is inappropriate(Jstor.org, 2016). And one reason many people may think that shouldn't be a problem that is taking place.People often shy to say or speak English that is the cause of the beginning of the block to open up a new knowledge.