Student in faculty of Public Health 4th at Khonkaen university for 50 people that the majority of answered the questionnaire were females 40 people (80%) and male 10people (20%). The majority program education is divided into Occupational Health and Safety 25 people (50%), second program education is Environmental Health Science and Occupational Health and Safety 15 people (30%) and last program education is Environmental Health Science 10 people (20%).