Objectives: The market of medical industry in Taiwan is limited and difficult to be expanded. So the hospitals have to save the costs. Therefore, the goal of this study is to find out criteria of supplier selection and weighted evaluations for medical device procurement managers in the medical industry. Methods: This study interviewed with the procurement persons in hospitals to find out the consider criteria of supplier selection for the medical device and resulted the structural frames. Then analytic hierarchy process (AHP) was adopted to proceed with weight evaluation for the criteria of the medical device supplier selection. Results: There are seven structural frames form this research, including: capability for quality, delivery and credit, capability of technology, cost of buyer, the capability of supply, capability of service, and capability of cooperate and coordinate. In addition, the first three important indexes are yield rate and level of confidence of goods, trade price, and accuracy of deliver time. Conclusions: The conclusion of this study may be a good reference for the procurement managers of the medical device and related researches to seek lower cost or higher service quality.