Celestial Encyclopedia Volume 479:
Pei Suzhu, a white tiger who works diligently for the heaven, has performed well and has been awarded the title of "Excellent Immortal Tiger" for 30 consecutive years. Living in the human world for a generation, he likes to eat meat and is engaged in investigation work. He can change his body shape in the human world. Do not disturb him during his work.
Intention: Things in the world are impermanent, take pity on the people in front of you