Lu is a character in Four Great Classical Novels's Water Margin. Posthumous title Flower Monk was originally under the jurisdiction of Weizhou Jingluefu. He killed the bully town in Kansai because of unfair media. In order to avoid being arrested by the government, he became a monk with a profound dharma name.
Later, in order to save Lin Chong, he became an outlaw in Erlong Mountain with Yang Zhi and Song Wu. After the three mountains gathered together, they entered the water margin, ranking thirteenth. Four expeditions made great achievements, captured Fang La alive, died in Hangzhou, and posthumously awarded Yi Liezhao and Zen Master.