It is the grace bestowed by heaven on the people of today who have heavy karma. The Holy Emperor asked the Buddha of Compassion and Wisdom for the suffering sentient beings, enlightened people's hearts, and reconciled injustices. It is also the foundation for practitioners.
If you can plant the meaning of this sutra in your heart and practice it in the world, resolve bad karma and make good karma, and not attach good and evil to your heart, you will naturally be pure; repenting karma, cultivating blessings, doing good deeds and accumulating virtues at the same time, you will naturally achieve success.