本研究以日商在台子公司為個案，探討多國企業核心流程之動態演化與創新研究。分析個案子公司的演化與創新過程，本研究從子公司的組織、母子公司關係、子公司角色、以及其核心流程，發現以下五點： 一. 對子公司的組織管理，母公司運用彈性的管理導向，有助於發揮子公司資源與能力。 二、母公司與子公司互相依存的關係，得以讓母公司可善用地主國的優勢，提昇多國企業整體營運的績效；亦能減少多國企業管理上的困難，甚至有助於多國企業的創新速度。 三、子公司的領導統御的務實化與主動性，有助於專業化資源與能力的提高。透過角色的改變，可擴大國際職責的參與機會。 四、相對於各行其是的多國企業，具有整合執行能力的子公司，可以為多國企業創造價值，並成為知識流通的來源。 五、子公司的動態演化，有助於多國企業的當地知識來源及國際化的拓展。 / This thesis has used Japanese subsidiary in Taiwan as case to study the dynamic evolution and innovation through the core process of MNC. From the view point of the organization control of alleged subsidiary, relationship of parent-subsidiary, subsidiary role in MNC, and its core process of subsidiary, we conclude the major findings are： (1). For the purpose of organization management, Parent company of MNC has adopted the flexible managerial patterns to facilitate subsidiary’s capability and its resources accumulation. (2). Relationship between parent and its subsidiary is interdependence. This kind of relationship helps Parent company who can utilize the net ownership advantages of host country to increase the total operational performance of MNC. It also helps to reduce the management difficulty toward subsidiary of MNC and even helps to increase the speed of innovation. (3). Top management of subsidiary shows their management skill with realistic and takes initiative in helping subsidiary to increase its capability and resources. Through the change of charter or its strategic roles, subsidiary can expand its participation of international responsibility. (4). Compare with other MNCs, subsidiary which has the capability of global integration can generate value-creation activities for MNC. Subsidiary will become the source of knowledge flow for its parent company. (5). The core process of subsidiary with dynamic evolution provides MNC with domestic knowledge. This evolution also helps MNC in internationalization development.