Mother Tiangong is the goddess of sacrifice in the Ming and Qing Dynasties and the supreme goddess in the world. She is both a creator and a savior: she is the ancestor of mankind, creating the universe and mankind, and at the same time saving the descendants who sank into the sea of suffering, sending Sakyamuni Buddha or Maitreya Buddha or naive ancient Buddha to earth, or herself to save all beings. In the Ming and Qing dynasties, almost all the folk religions took the heavenly mother as the highest god, and "heavenly mother, vacuum hometown" became the "eight-character mantra" of folk religions. Since Luo religion put forward the God of Heavenly Palace Mother, many sects have also regarded Heavenly Palace Mother as their highest god. Most of the hundreds of folk secret religions in Ming and Qing dynasties directly or indirectly regarded Heavenly Palace Mother as the highest god. --------< Knowledge of literature and history >