The study was conducted in Chu Lu (Mulivelivek) tribe from July 2008 to February 2010. The historical record of Mulivelivek tribe has been written down from the year of 1648. It was recorded as ”Lywelywe” at that time. During Japanese government period, small villages nearby were forced to migrate here, forming the board type village today.The Chu-Lu tribe is now categorized as Pyuma ethnic group. This study interviewed seven elders to investigate the plant culture of Mulivelivek tribe. We recorded 201 plant species, including 81 species for food usage, 40 species for making household utensils, 32 species for rituals, 31 species for medicinal, 29 species for fishing & hunting, 23 species for building houses, 21 species for firewood, and 10 plant species for clothes & ornaments, and 32 species for others usages, like for toy, leisure, etc.