Abstract: This study is to explore key factor of forming long-term and stable strategic partnership between supplier and customer, and furthermore, it explores what kind of supplier abilities can enhance the intensity of commitment perception in partnership to customer and meanwhile enhance the intention of continuously future cooperation.　 Furthermore, this study is mainly adopted Taiwan optical industry supplier as an object of study. And, it explores the connection with supplier ability, commitment perception and the intention of continuously future cooperation between alliance partnership. Besides, the questionnaire asks interviewed customer rank current supplier in different level, A supplier and B supplier. A supplier means best alliance partner. B supplier means no difference with other supplier, and it will be replaced by the other at any time. By means of this, it explores the impact on supplier ability in different rank will result different commitment perception of strategic partnership and the invention of future cooperation. After analyzing in statistics, the finding of this study point out : 1. Between the link of supplier ability and commitment perception: Research and development, manufacturing and quality control of supplier abilities will conspicuously influence the intensity of commitment perception. 2. Between the link of commitment perception and the intention of future cooperation: Commitment perception will positively and conspicuously influence the intention of future cooperation. 3. Between different rank sampling: A supplier owns good manufacturing and quality control ability that are key factors to influence the strength of commitment perception between both parties. B supplier will need to pay more attention of quality control and to enhance manufacturing ability. This study considers current optical industry suppliers face huge scale of changes in supplier chain structure. It should be aimed at how to create good and interactive partnership with supplier chain customers and then enhance the commitment perception between customer and supplier in order to strengthen the intention of mutual cooperation in future. It will add up to long-term alliance partnership.