Nestorianism,the heretic sect of the Christianity, having been persecuted in the Byzantine Empire, was spread into Persia and the Central Asia, and further into China.

• 景教是产生于拜占庭帝国境内叙利亚地方的基督教异端,它在受到东正教会打击后向东传播,进入波斯、中亚并扩展到中国境内。