In the research of Pavana, the result concluded that using simulation in teaching students in the field of Tourism, Hospitality and Secretary helped improve their learning achievement [5]. On this basis, the researcher would like to develop lesson plans with a Thai setting, Thai places, Thai tradition and Thai products and use simulation strategy as an activity for first year Tourism students in the Faculty of Liberal Arts, Rajamangala University of Technology Krungthep in order to develop their communicative oral English proficiency.