The study aimed at discovering the influencing factors in the rule of Umayyad Caliph. It identifies the levels of decision-making during Sufyani era, states the official and unofficial forces that affected the rule of Umayyad Caliph during Sufyani era, and traces the factors and circumstances that contributed to making decisions during Sufyani era. The study includes an introduction, a preface, four chapters, and a conclusion, in addition to a list of primary sources and recent references used in this research. The preface includes: the influencing factors in governance transfer to Umayyads. Chapter one deals with the power and authority of caliph in Umayyad era (41-64 A.H/ 661-684 C.E), the concept of power in Islam, the legitimacy and power of Umayyad Caliph, and the levels of decision-making in the Umayyad state. Chapter two talks about: the official forces influencing the reign of Umayyad Caliph (41-64 A.H/ 661-684 C.E) including: mandate of covenant, Umayyad princes, senior military leaders, workers, governors, judges, and writers during Sufyani era. Chapter three presents the informal forces affecting the reign of Umayyad Caliph (41-64 A.H./ 661-684 C.E.) including tribes' leaders, lineage of caliph, entourage, poets, and loyalists. Chapter four examines the factors affecting the reign of Umayyad Caliph (41-64 A.H./ 661-684 C.E.) including opposition (political parties and currents), economic situation, conditions of military fronts, and outposts on the borders of the state . In her study, the researcher adopted the historical descriptive analytical method that is based on collecting, analyzing, and then comparing historical narratives to reach the study's results. The study concluded that there are multiple levels of authority during the Sufyani era in Umayyad state. Moreover, the power of Umayyad Caliph in making decisions is relatively governed by a number of influencing factors and forces which were not absolute as it seems to people. There is disparity in the forces influencing the reign of caliph during the Umayyad era according to the circumstances and events taking place including political developments. The results of the study reveal that there is much overlap and intertwine in the topic of the influencing forces on the Reign of Umayyad Caliph (41-64 A.H./ 661-684 C.E)