This research aimed to know the influence of implementing the communications and psychology itself in process of da’wa or both (communications and psyschology) to the religious practice of society. The sample of this research is 120 persons chosen by cluster sampling.  Data have been collecting through questionnaires; then analyzed by using statistical and descriptive statistical analysis of inferential. From data analysis, it is known that the implementation of communications has strong influences to the religious practice of society, it is 0.929. It also happens to the implementation of psychology, it is also found that the influence is strong, it is 0.880. From two varibales (implementation of communications and implementation of psychology), it has strong influences to the religious practice of society, it is about 0.939. It can be said that the influence of the implementation of communication to the religious practice of society in Padangsidimpuan Selatan disctrict is positif and significant. It is proved by the result, that is 27.339 > 1.659. Then, the implementation of psychology to the religious practice of society is also positif and significant, it is 20.114 > 1.659. Finally, both variables (communications and psychology) give positif and significant influence to the religious practice of society, it is 437.897 > 3.08.