Oil palm empty fruit bunches (OPEFB) is a by-product with high potential as a source of cellulose. This study aims to 1) screen cellulase-producing bacteria from OPEFB waste using selective media Carboxy Methyl Cellulose (CMC) 1% clarified with congo red 0.1% to measure cellulolytic index values, 2) test cellulase enzyme activity using a sugar test reduction of the Dinitro salicylic acid (DNS) …