Purpose: To reinforce the product competitiveness of Korean small and medium-sized business in the worldmarket. Methods: By clarifying the definition of a masterpiece, developing global masterpiece quality index(MQI equipped with checklists, surveying several companies and customers, and analyzing the results of the surveyvia the MQ zone diagram. Results: The results of the survey show the gap between Korean small and medium-sized business and globalmasterpiece companies in terms of MQI. From this analysis, in order for the surveyed Korean companiesto be the world-class ones, the managerial aspects to be improved could be clearly pointed out throughthe measurement indices. Conclusion: This research would provide Korean small and medium sized companies, which wish to get onthe global masterpiece level, with an objective guideline.