During the second half of the twentieth century, Oman was exposed to a number of political crises that led to political and military interference in the Omani affairs by some Arab countries .From this point of view, this study, which chronicles the political crises in Oman and the Arab attitudes during the period of study to monitor a range of objectives we seek to achieve, including: Identify the most prominent political crises experienced by Oman between 1952 and study the nature of Arab attitudes from the situation In Oman during the study period. According to the nature of the subject of the study, the researcher relied on historical descriptive analytical approach, which in turn depends on the research and investigation of historical facts, and the examination and analysis to reach the results required from this study. The study divided into preface, four chapters and a conclusion the preface dealt with the political situation in Amman during the period 1913-1952. The first chapter dealt with the Buraimi crisis Between Oman and Abu Dhabi on one hand and Saudi Arabia on the other, during the period (1952-1974), and monitoring the most important Arab positions of this crisis. The second chapter was devoted to the study of the crisis between the Imamate regime and the ernment of Sultan Sa'id ibn Taymour during the period 1954-1959. The third chapter deals with the Omani issue that was raised in the regional and international organizations during the period 1954-1971. Of this issue, while Chapter IV discusses the crisis of Dhofar 1965-1975 by identifying the causes of the armed movement in Dhofar in 1965, and the operations of the war until its end in 1975, and highlighted the Arab positions on the Dhofar crisis. The study ended with a number of results, the most prominent of which were: The disclosure that the direct Arab intervention in the internal affairs of Oman emerged for the first time with the beginning of the crisis between the Imamate and the Sultanate. The study also showed the support and support of a number of Arab countries to the Imamate when it raised the issue of Oman in the League of Arab States and the United Nations. Finally, the study showed the change in the policies of many Arab countries towards the Dhofar crisis after Sultan Qaboos came to power in 1970 and the support of the Omani government after it supported the PFLP.