There is very little research in Taiwan on substitution travel behaviors that Taiwanese may engage in during the epidemic. Therefore, this research expects:
1. Understand what kind of change on food, lodging, transport, shopping and entertainment people may have during the COVID-19 epidemic.
2. Check that the perceived risks of Taiwanese during the epidemic have a negative impact on their attitudes, subjective norms, and behavioral control of their tourism behavior.
3. To examine the impact of people's perceived risk and tourism behavior attitude, subjective norms, and behavioral control during the epidemic situation on their intention to substitute tourism behavior.
4. Provide future tourism, catering, transportation, accommodation, etc. as references.