Octenyl succinic anhydride modified sugars -OSAS- was prepared by cane molasses sugars and octenyl succinic anhydrideand the properties of OSAS were studied. Then the green hand washing tableware detergent was prepared by OSAS, and the properties and detergency of tableware detergent were studied. The results showed t that the green hand washing tableware detergent prepared by OSAS had appropriate viscosity, good foamability, stability, and detergency, which meet the requirements of the national standard of tableware detergent.