The four monks and apprentices of Tang Dynasty went to the west to collect scriptures and came to the front of Wanzi Mountain. The demon Baigujing in the Poyue Cave in the mountains wanted to eat Tang monk meat, but was afraid of the powerful Sun Wukong, so he did not dare to rashly attack. She took advantage of Wukong's opportunity to visit the mountain, and turned into a village girl who went up the mountain to send food and an old woman who brought incense to the mountain, in order to deceive the trust of Tang Seng and Bajie, but Wukong saw through it both times and beat her avatar to death. Tang monk blamed Wukong for violating Buddhist precepts and should not hurt people's lives.