Representatives of Zoroastrianism, the ancient Persian dualist religion, and of Nestorianism, an Eastern Christian sect, also reached China and established themselves there.

• 最有代表性的是琐罗亚斯德教（叫拜火教或明教）是古代波斯二元论的宗教，景教（方基督教的一支）传入中国，并且确立起来。