英文摘要:The age hierarchy, one of Amis Tribe’s traditional social organizations, is the foundation of every public policy and politics activity. It carries not only sacred multi-tasks of the tribe’s safety and the heritage of culture but also has the functions including the society, military, politics, laws, economy, and religion. The tribe’s culture was created in the hierarchy and was passed down through its protection. It played an important role of sustainable development in the tribe. Taitung Madawdaw Tribe, located in the middle of the long eastern coastal line, was the intersection of the early Amis and Malan Amis’ coast line. It has developed a unique social system and has created different Amis’ cultures due to its complicated relationship with other tribes and their interactions. The age hierarchy in Madawdaw tribe has been ruled by Japanese. In 1911, the guns of the tribe were taken away because of the war against the Japanese and the rituals in the tribe were gone. The Japanese punishment toward the tribe and the chief has damaged the age hierarchy development. After second world-war, the tribe’s traditional religions were considered superstition and were abandoned due to the introduction of western religions. The chief of the tribe announced to cancel the male gathering meeting and festivals. At the some time, the land of the tribe’s sanctuary were sold and moved away. The age hierarchy has lost its stage result in an unprecedented impact of the tribe’s culture and social organizations. After the year of 1960, the young men in the tribe have moved to urban areas searching for a job due to the transformation of economy in Taiwan. Thus, the working of the age hierarchy in the tribe became difficult and the organizations became loose and empty. Since 1990, the tribe has stopped the preparation of calling different age people to join the age hierarchy. Thus, the most important foundation of the tribe, the age hierarchy, has gone in the history forever. For over the past few hundred years, the Madawdaw tribe was influenced by the depression of politics, economy, culture structure, and industry, result in the break down of traditional social organization structure, culture, and language. The tribe, therefore, generated the crisis of culture recognition. The most important key of any culture’s remaining or perishing was the tribe’s perseverance and choice except the influence of the outer environment. The culture must be focus on both “sustainable” and “development” in order to adapt to the big change in the environment. This study showed that only by combining the spirit of the age hierarchy and the reality of the tribe’s social scenario, can the youngsters of the tribe understand the importance of passing down the culture and organization. Through transformation and innovation, the spirit of the age hierarchy can adapt to the modern society and remain forever.