In-Line Roller Hockey was origin from Ice Hockey, a kind of ball game played indoors and outdoors. It was included in The World Games in 2005 with Speed Skating and Figure Skating. In 1979 Scott Olson and Brennun Olson reformed a pair of ice skates into the first roller Skates, which also initialed In-Line Roller Hockey. In-Line Roller Hockey is similar with Ice Hockey, but the rules are a little In-Line Roller Hockey is similar with Ice Hockey, but the rules are a little different. Taiwan participated in the World Championship and the Asian Championship, till The Kaohsiung World Games 2009 Taiwan's Team participated in national competition as the host. Although the result isn't astonishing, but the passion of the citizens supported the team fully; The World Games taught a valuable lesson to the coaches and hoped to introduce In-Line Roller Hockey to the citizens. The content is mainly about the history, the rules, the development around the world and in Taiwan of In-Line Roller Hockey and the weakness and strength of the development in Taiwan within the future research and development.