It is believed that almost every Town's District Committee ofMediation in Taiwan is dominated by local factions and the committeemembers are the important figures within their factions.In this research,based on the assumption that the Committee members are convenient toaccess political,social and economic interests,we hypothesize that inTaipei County the more powerful a local political faction is;the more interventionit has toward the District Committee of Mediation.Therefore,we use 3 models to examine the relationship between localpolitical factions and the District Committee of Mediation by statisticdatum,such as the amounts of mediation cases,the successful rate of mediationand soon.However,through depth interviews to 8 committee members and 3clergies in different Towns of Taipei County which provides not only thequantitative explanations but the qualitative analysis for this research.The author expects that students of Taiwan's local political factions researchwill have moore refined models contributed by this paper to duplicatefurther studies.