What really brought the idea of judgment into the Chinese concept of heaven was the Buddhist doctrine of the six destinies of transmigration, comprising gods (devas), demigods (asuras), human beings, animals, hungry ghosts and hell-beings.
真正為中國天堂帶來審判觀念的，其實是佛教六道輪迴說，六道里，分為天、阿修羅、人、畜生、餓鬼、地獄。