Changzhi Madan is mixed up like this: Changzhi Madan is famous because she is the leader of evil forces in Changzhi City. This organization lured dozens of teenagers under the age of 16 to join its organization through threats and inducements, which led to a large number of students going astray, so Ma Dan became the most famous local organizer of violating the law and discipline. Changzhi refers to Changzhi City. Changzhi City, a prefecture-level city under the jurisdiction of Shanxi Province and a sub-central city in the province, was called Shangdang, Luzhou and Lu 'an in ancient times. It is located in the southeast of Shanxi, at the junction of Shanxi, Hebei and Henan provinces, Shangdang Basin, Taihang Mountain in the east, Hebei and Henan provinces in the west, Taiyue Mountain in the west and Linfen City in the west.