This study was designed by using a questionnaire divided into 3 parts; the first part was general information, the second part was the using English functional language in communicative competence and the needs in improving English communicative competence. The data of this study were collected from 32 Thai Tourist police working at Sub-Division1, Highway Police Division 154 in Radio center. The Tourist polices surveyed are responsible for the areas around Bangkok because they tend to work as the country’s ambassadors of Thailand in providing services for foreign tourists.