This paper is to explore the established of Formosan Association for Public Affairs(FAPA), and focuses the point on its lobby skills. It finds that FAPA choose the moderate line, and applied the major lobby skills of U.S. interest groups, it got the great achievements on political lobby and diplomatic affairs. And FAPA played a role in Taiwan independence movement history. This paper also discusses the role of FAPA after the Henry Liu Case. FAPA promoted the U.S. Congressmen held the meeting of public hearing, and passed the resolution in the U.S. House of Representatives.