The objectives of the research article are: 1. to study the difference in demographic characteristics of TikTok application users and their decision for using the TikTok application, 2. to study the differences between the demographic characteristics of TikTok application users. with content exposure behavior and the third is to study the relationship between the content exposure behavior of followers and users of the TikTok application as a quantitative research. Study the concept of surveying the decision-making behavior of the TikTok application and the differences in the content exposure of followers as a research framework. The research sample was people who use the TikTok application for a period of at least 6 months, totaling 400 people. The research tool is a questionnaire that analyzes data using the SPSS program. The average age is 25-35 years old with a bachelor's degree. Most of them are civil users and state enterprise employees or government employees with average monthly income, 10,001-20,000 baht in the behavior of accepting application users. The sample group knew the TikTok application through Facebook the most, used it for sharing, hashtags, trending, searching, topics, watching the original sound, participating in Covid-19 activities the most. The sample group is open to the application. The slope is less than 2 times a day, 15 minutes each time. And the most open time is 6:00 p.m. to 12:00 a.m. There are 3 aspects of attitude towards using the TikTok application: thinking and seeing that the TikTok application can open space for opportunity to create video content in various formats according to user preferences. Users feel happy, enjoying, and having fun for using the TikTok application.