Kökejin, otherwise known as Baïram-ekeči, wife of Qubilai Qaγan’s crown prince Jingim, was one of the most important persons in the middle and late periods of Yuan Dynasty. However, the problems with her life and worship of Buddhism remain to be solved. This paper investigates some literature and comes to a conclusion that she was influenced by ’Phags-pa, Dam-pa, Grags pa vod zer, etc. and had deep relationship between the Sakya School of Tibetan Buddhism and Huayan Sect in Mount Wutai area. It also asserts that she had communicated with several nuns among different ethnic groups, backgrounds, and sects. In addition, other connective issues are taken into consideration, too.