China and Vietnam both have thousands of years of historical and cultural relations, among which the history of Buddhism in the two countries. When studying the history of Buddhism within regard to Vietnam and China’s share history, the author finds out that there are a lot of southern Fujian missionary monks went to Vietnam to preach. They moved to Vietnam by road or on mercenary vessels, and then they stayed and preached, becoming Vietnamese Zen ancestors. Thus, this dissertation, titled “Interaction between Vietnam Buddhism and Minnan in the 17th century”, focuses on how Chinese Minnanese Buddhist missionary monk to Vietnam as the subject. Firstly, this dissertation briefly presents an introduction regarding Chinese immigrants in Vietnam. The data on Minnanese Buddhist monk of seventeenth century are quite rare. The only two record exists were Zhuo zhuo and Minghai Fabao. Zhuo zhuo first came to South, after that he moved to the North and create his own branch-Linji Zen branch in the first half of 17th century. During the latter half of the 17th, Minnanese Buddhist monk Minghai Fabao immigrated from Quanzhou to Hoian and created his branch there. Later, it spared to the other South Vietnamese provinces and cities. This dissertation is aim to studies how the monk come and preached, hoping it will add to the studies on Chinese Buddhist influences in Vietnam, particularly the relation between Chinese and Vietnamese Buddhism, culture and history. INTRODUCTION This is basically a research on Minnan Buddhist tradition and influence in Vietnam in 17th century. In this paper, I will focus on two Minnanese monk-Zhuo zhuo and Minghai Fabao and study the way they practice preaching and their contributions to their branches, followers and their adopted land regarding printing, preaching the Buddhist texts and even in architecture. MATERIALS AND METHODS Methods adopted in this article include: Document Analysis, verification of historical article review and field visit. RESULTS AND DISCUSSION In the study, the author introduces a lot of new data of new historical data, because Vietnam has suffered so much from natural and man-made disasters, many things have become regrettably lost, among which many records of Minghai. Thus, having tried very hard to present a complete picture, the author still hopes that later it will be possible to find more historical data, in order to have a glimpse on the history of Buddhism in Vietnam in every era, particularly China and Vietnam’s Buddhist, cultural, historical relationship. CONCLUSION This paper is the first step (preliminary) study the history of south China's relations with Vietnam. Our study has mastered the origin and purposes of this Chinese Minnanese Buddhist missionary monk of Vietnam in 17th century as well as the contents and source of their religious preaching. Our investigations will benefit us to better identify their significant impact on the history of Buddhism in Vietnam. However, more investigations are needed to further determine the valu