The purposes of this research were to study the English language problems of tourist police in Khon Kaen Province, and to find guidelines to the solutions of such problems. It was the quantitative and qualitative research. The target group was all 198 tourist police under the Sub-Division 3 of Tourist Police Division in Khon Kaen. The research instruments consisted of a questionnaire and a semi-structured interview. Fifty-eight percent of the tourist police returned the questionnaire. Six of their representatives selected by them and three experts in English for tourism were interviewed by the researchers. The research results revealed that the tourist police had problems in giving information on transportation (99.13%), giving directions (98.20%), answering the telephone (96.50%): applying the listening and speaking skills (95.60%), greetings, saying goodbye, and offering help (86.08%). For solutions to the problems, the representatives of tourist police and the experts suggested that there should be an effective text on English for tourist police (based on the problems they have had), and there should be more English training programs for them.