Most of researchers put stress on Taiwan¡¦s state transitional regimes in relations to State corporatism or the possibility of Social corporatism. But it¡¦s rare to find researches and literatures that explore Taiwan¡¦s corporatist concertation status between its government and labor unions. This study collects and discusses some main Western theories and Taiwan¡¦s researches of corporatism, and to explore the development of corporatism during different periods of Taiwan by using the connotations of those reviews. The study focuses on five stages as below: the stage of corporatism without labor (1949-1986), of authoritarian corporatism after the abolition of Martial Law (1987- 1992), of state corporatism in democratizing (1993-1999),of developmental democratic corporatism (2000-2004), and the stage of re-developmental democratic corporatism(2004- 2008). The former three stages under KMT government, labor union¡¦s system performed as Monist- Corporatism, and the latter two came with Taiwan¡¦s democratic consolidation. Therefore, with the developing plural society and the party rotation in 2000, the Monist-Corporatism system had been strongly impacted, and the monopolistic Chinese Federation of Labor also broken into four national labor units which had been recognized and admitted by DPP government. The study shows some formalization of informal horizontal concertation, inexplicit corporatist level types, the pattern with neo-corporatist properties, and certain characteristics of social corporatism through the governmental arrangements of Economic Development Advisory Conference (2001), and the local, industrial social dialogues, also the National Social Dialogue Round Table Meetings; those were held recently with conceptions of social partnership and tripartism. And the study also indicates Taiwan as a case of low degree model of corporatist concertation with the lack of formal vertical institution and the like at the present stage.