WHILE MANY ELECTROCHEMICAL STUDIES HAVE BEEN DONE ON AU AND AG SURFACES, CU HAS RECEIVED SMALLER ATTENTION DUE TO ITS HIGH SENSITIVITY AND REACTIVITY TOWARDS OXYGEN [1, 2].ALTHOUGH METALS SUCH AS PT, AU, AND AG ARE VERY ACTIVE IN THE ANODIC OXIDATION AND CATHODIC REDUCTION, THEY ARE TOO EXPENSIVE FOR PRACTICAL APPLICATIONS.IN THIS STUDY, copper SULFIDE MODIFIED copper (CSMC) ELECTRODE WAS PREPARED AND USED AS A NEW ELECTRODE. THE EFFICIENCY OF THE (CSMC) ELECTRODE FOR ELECTRO-CATALYTIC OXIDATION OF GLUCOSE WASINVESTIGATEDAND VERY GOOD RESULTS WERE OBTAINED.ELECTROCHEMICAL BEHAVIOR OF GLUCOSE GREATLY IMPROVE AT copper SULFIED MODIFIED copper ELECTRODE, INDICATING THAT THE ANODIC OXIDATION OF GLUCOSE CATALYZED AT copper SULFIDE MODIFIED copper ELECTRODE.SURFACE PHYSICAL CHARACTERISTICS OF THE MODIFIED ELECTRODE WERE STUDIED BY SCANNING ELECTRON MICROGRAPHS (SEM). RESULTS SHOWED A GOOD COVERAGE OF copper SULFIDE CATALYST PARTICLES ON THE SURFACE OF copper ELECTRODE.THE PURPOSE OF THE PRESENT WORK IS TO INVESTIGATE THE ELECTROCHEMICAL OXIDATION OF GLUCOSEON MODIFIED ELECTRODE IN ALKALINE SOLUTIONS AT ROOM TEMPERATURE. THE ELECTRO-OXIDATION OF GLUCOSE ON copper SULFIDE MODIFIED copper ELECTRODE HAVE BEEN STUDIED BY THE METHODS OF CYCLIC VOLTAMMETRY, QUASI-STEADY STATE POLARIZATION AND CHRONOAMPEROMETRY. THE RATE CONSTANTS AND ANODIC TRANSFER COEFFICIENT (J0) AND EXCHANGE CURRENT DENSITY (J0) OF THE ELECTRO-OXIDATION REACTIONS ARE REPORTED.