The Role of Buddhism in the Period of Ilkhanid, with Emphasis on the Opinions of ʿAla al-DolehSemnani

During the Ilkhanid era, Iran was one of the centers for the expansion of Buddhism opinions, especially Vajrayana sect.This religion has been associated with Sufism and had some effects on it. In this article with descriptive and historical research method, we tried not only to examine the role of Buddhism in the Ilkhanid period, especially during the Arghoun Shah era, but also to study the interactions between Buddhism and Sufism, with emphasis on the personality of ʿAla al-DolehSemnani. Due to psychological problems, he left serving in Mongolian system and went toward isolation, worshiping and Sufism. During the collaboration with Arghoun, he was in contact withBuddhists and although he was a critic of some of their thoughts but he was under their influence. The result of this study shows that the effects of Buddhism on his works were negatively reflected, such as his opposition to the principle of reincarnation and criticism on the unity of Ibn Arabi, which could be the consequence of the consequences of Buddhists, but in the debate, the principle of which the original is obtained from the sources, but it may be influenced by the teachings of the seven in the kundalini.