| Since 1990 the trend of globalization is moving faster. Based on the background of globalization of economy and supply chain, the competition is transferred from the single competition to which of internet and supply chain. Based on this background of globalization and the ambition requirement of multinational company for the global growing and taking the full advantage of global resource, many multinational companies are deploying the global purchasing strategy. But the globalization also brings many issues, such as supplier quality management and the related organization issues.This article is to study the global purchasing process, collect the data to measure and analysis 3 KPI in the global purchasing. Using 6sigma to improve the supplier quality under the background of globalization and establish the high efficiency procedure of global purchasing. Implement this global purchasing process in a specified project and also verify this process by KPI. |