The purpose of this research is to study the use of online media to promote the marketing of the tourism industry business in Chanthaburi province, using 5 marketing communication tools, consisting of online advertising. Online public relations, online promotion selling by people online and direct marketing online. Use quantitative research methods sample group for study is the tourism industry business in Chanthaburi province, 6 types, which are 1) tour business 2) accommodation business 3) food and beverage business 4) selling goods and souvenirs business 5) transportation business and 6) recreation business the quota samples were chosen by convenient random sampling. The research instrument was a questionnaire with the statistics used in data analysis. It is the frequency distribution, percentage, mean and standard deviation. Test the hypothesis by F-test, One-Way ANOVA, compare the differences in pairs by Scheffe method and correlation coefficient analysis. Pearson correlation
