Islamic religion entered Indonesia is a proscess in the history of Indonesia. The process of entering the religion of Islam into Riau was brought by traders from Arabian, Persia, and Gujarat who had the aim to trade and thus spread the religion of Islam. The purpose of this study was to determine the life history of K. H. Hasyim Arsyad, and to know the constraints faced by K. H. Hasyim Arsyad. …