Objective Two important geological issues have long been controversial in the Xing–Meng area of North China.The first concerns the final closure of Paleo-Asian Ocean in Xing–Meng area,and the other concerns the folding and lifting of the Xing-Meng Trough.The focus of thses issues is the Late Permian sedimentary environment,which is Objective Two important geological issues have long been controversial in the Xing-Meng area of ​​North China. The first concerns the final closure of Paleo-Asian Ocean in Xing-Meng area, and the other concerns the folding and lifting of the Xing-Meng Trough The focus of thses issues is the Late Permian sedimentary environment, which is