The main topic of this article is the basic believes, sacraments, worships and religious practices of Protestant Armenian Church in Anatolia have been studied, in this respect this study firstly gives information about the managerial and main constructions of Protestant Armenian Churches in Turkey have been examined. And then it accents some believes of of Protestant Armenians like god, soul, natural forces and hereafter, in addition to these, it deals with their fire related cults and their socio-religious practices like sacrifice, birth, marriage and death. In conclusion chapter, there is general evaluation about study .