The progress of internet application never stopped. As an evolutionary result, Web2.0, of which made asynchronous mutual communication on web page become capable was a significant milestone in internet application. Web2.0 emphasized on the function of interaction, such as experience share, idea exchange, as well as topic discussion, and set the trend of community interaction. Numerous websites were set up with function of Web2.0 in order to following the trend. Therefore, a proposal competition of Web2.0 was held by Innovative DigiTech-Enabled Applications & Services Institute to encourage those who would like to make a business of Web2.0 application to propose their business plan. In the competition, participants were able to attend relevant courses, acquire much more technical knowledge, and amount of business information was provided. This research mainly aimed at participants of the proposal competition, and took Technology Acceptance Model (TAM) as a theoretical framework, though some modification had been made for research needs. The questionnaires were sent out and gathered through internet to measure the connection between perceived usefulness, perceived ease used, the attitude of Web2.0 of participants and their will of starting a business. The purposes of this paper attempted to discover¡G(1) was it appropriate to take TAM for explaining the adoption behaviors of Web2.0; furthermore, (2) to apprehend if the attitude, one of the variables in TAM, have been proved to have influences on adoption behaviors of adopters, did the attitude also cause influences on motivation of starting a business of competition participants. Finally, the results of this research could be reference for government to take into consideration while developing further related programs.