Among 65 Streptomyces isolates, only three were confirmed to be sugar reducers by detecting and partial sequencing of cellulase gene and presence of clear zone whene grown on CMC agar.Only one isolate was chosen for further study showing the highest degradation and wide clear zone about 50 mm. This isolate showed similarity of 95% to streptomyces QHHL when 16sRNA sequence data was compared. Temperature and pH were effective factors in cellulase production. Temperature of 40`C and pH of 7 were the optimum to sugar reduction to be 62 ug/ml.