The purposed of this research were to study 1) A forms of marketing communication of 4DX Theater 2) The marketing communication factors influencing the decision to watch movies at 4DX theater 3) The consumer’s decision-making behavior at 4DX theater. The research was based on both qualitative and quantitative methodologies. For qualitative data, the study used documentary research and in-depth interview with a business development manager of 4DX Theater. The research also employed One-shot Descriptive study and questionnaire-based surveys with 400 respondents who are over 15 year old living in Bangkok area which have been watching at least one movie at 4DX Theater between January 2014 and April 2015. The quantitative data were statistically analyzed by using frequency distribution, percentage, standard deviation, t-test, One-Way ANOVA and Pearson Product-Moment Correlation Coefficient analysis. According to the results from content analysis revealed that the marketing communication factors of 4DX Theater were Product-service, Price, Place and Promotion. 4DX Theater used integrated marketing communication tools and online communication in order to communicate with its target. The most influential factor in decision-making at 4DX Theater was Product service - a special effect in 4DX Theater creates a movie experience more realistic. The following factors were: Place - the cleanliness of special effects techniques (wind, mist and scents) in the 4DX Theater and surrounding area, Price – sales promotion in the form of discounts. And Promotion - The minor factors that effect respondents were Sale Promotion, Advertising and Public Relations. An advanced technology has the most significant impact on consumer’s behavior toward decision making at 4DX Theater. A test of the assumptions were found no effect of dissimilarity between demography, age, profession and income on decision making. The relationship between marketing communication and consumer’s decision-making behavior showed moderate positive correlation