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Dragon and Tiger is a Taoist sect. It is also known as "Dragon and Tiger Sect" and "Zhengyi Sect".
Because it takes Longhu Mountain (in the territory of Guixi City, Jiangxi Province today) as the main mountain, it is named after the Zhengyi Sutra Law. That is, the one that was rebuilt in Longhu Mountain. Regarding the founding time of the Dragon and Tiger Zhengyi Sect, there are different records in the Taoist books: the "Han Tianshi Family" said that in the twentieth year of Jian'an (215), shortly after Zhang Lu surrendered to Wei, Zhang Sheng ran south to the Longhu Mountain heir sect;
The True Immortal Body of the Past Generations is said to be in Yongjia in the Western Jin Dynasty, and Zhang Sheng entered the Longhu Mountain Heir Sect. But neither theory is credible by researchers. According to the historical data, the descendants of Zhang Ling are unknown in the Jin Dynasty, and the deeds of Zhang Ling's descendants have been recorded until the Southern Dynasty, but they do not live in Longhu Mountain. During the Sui and Tang dynasties, there was no trace of Zhang Ling's descendants, until the seventh year of Tianbao (748), Tang Xuanzong praised Zhang Ling, and only then did he "order the division to approve the descendants, and there will be a seal to plant to the true heir of Long" ("Tang Dynasty Imperial Decree Collection" volume 9 "Tianbao Seven Years Book Honorific Forgiveness"). The whole Tang Dynasty poems are compiled in the "Dragon and Tiger Mountain" poem by Wu Wuling, a native of Tang Xianzong Yuan and Chujin Shixinzhou (now northwest of Shangrao City, Jiangxi), which has the sentence "Five buckets of rice immortals really have a way"; Xu Kai's "Maoshan Daomen Weiyi Mr. Deng Tablet" said that Maoshan Taoist Deng Qixia in the 12th year of Tang Yizong Xiantong (871) "Yilonghushan 19th generation of heavenly masters, participated in the teaching of the capital Gongzheng a law gong", indicating that the founding time of Longhu Sect was about in the middle and late Tang Dynasty. During the period of the Northern and Southern Dynasties, Zhengyi gradually merged with the Taoist sects such as Shangqing and Lingbao to form a Taoist unity without sects; In the middle and late Tang Dynasty, the unity of Taoism gradually collapsed, and the descendants of Zhang Ling were able to re-establish the banner and form the Zhengyi Sect of Longhu Mountain. During the Northern Song Dynasty, the Dragon and Tiger Sect began to show its momentum. In the fourth year of Song Zhezong's Shaosheng (1097), the imperial decree of the Three Mountains was supplemented by the Emperor's map, and Longhu Mountain entered the pattern of the three sects of orthodox Taoism. Later, the power of the Dragon and Tiger Sect gradually surpassed that of Maoshan, and Emperor Lizong of the Song Dynasty in the second year of Baoyou (1254) made Zhang Keda, the 35th generation descendant of Zhang Tianshi, lead the Sanshan Taoism. The Yuan Dynasty recognized the title of "Heavenly Master" of the descendants of Zhang Ling, and the altar of the Zhengyi Sect of Longhu Mountain was more prominent, and in the eighth year of Dade (1304), Chengzong Zhaozheng was the head of the Three Mountains Fu. Ming Taizu rectified the Taoist system, only recognized the two major sects of Quanzhen and Zhengyi, and the other Fu Zheng sects were forced to merge into the Zhengyi faction; Although the title of "Heavenly Master" of Zhang Ling's descendants was cut by imperial decree, the folk still have the same name.
After the middle of the Ming Dynasty, the Dragon and Tiger Sect gradually declined, but it was still able to maintain its status as one of the two major sects of Taoism.