Pig Bajie's master is Tang Priest. Tang Priest is a character in The Journey to the West, one of China's four classical novels. His previous life was Jin, the second disciple of the Tathagata, and his prototype was Xuanzang, a monk in the Tang Dynasty. Xuanzang was born in Luoyang, Henan Province today. His common name is Chen Yi, and his legal name is Xuanzang. He was honored as "Master Sanzang" and later called "Tang Priest".

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The Journey to the West is the first romantic novel with chapters and sections in ancient China. Wu et al., a scholar in Qing Dynasty, first proposed that The Journey to the West was written by Wu Cheng'en in Ming Dynasty. This novel is based on the historical event of "Tang priest learning from the scriptures" and deeply depicts the social reality at that time through the author's artistic processing. The book mainly describes the story of the Monkey King's encounter with Tang Priest, Pig Bajie, Friar Sand after his birth, and his disturbance to the Heaven Palace. He went west to learn from the scriptures, demonized all the way, and after eighty-one difficulties, he finally arrived in the Western Heaven to meet the Tathagata Buddha, and finally the Five Saints died.

Source: Tang Yan Baidu Encyclopedia Journey to the West Baidu Encyclopedia