Thailand is Southeast Asia countries that have many Chinese（about 14% of the total population）in there. Many large companies are founded by the Chinese businessmen that the current total market capitalization of Chinese companies up to $50 billion，so Chinese businessmen in Thailand’s economy plays an important role. Chinese society has a special “guanxi” culture，and this article is this relationship has been enlarged to social guanxi networks. Social guanxi network is a resource for Chinese in Thailand and this paper mainly Chinese enterprise how to use these resources to make strategic choice when they invest in Thailand，and how to use guanxi to thrive own forces. The method in this article is based on a qualitative research which is literature review and interviews some Chinese businessmen in Thailand. The result that with the diversity of the historical development and members of overseas Chinese social network presents complicated the tendency seems to have become a mixed ethnic patterns edge to edge，marriage and the overseas compatriot’s edge. But no matter how，even among Chinese businessmen in Thailand overseas Chinese still maintained frequent cultural exchanges and economic and trade cooperation；it only shows the external interaction and mutual assistance among overseas Chinese，Chinese Business Network also means moving from a narrow ethnic and cultural ties to the economy transnational ethnic relations transformation.