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华北晚古生代含煤盆地是我国最大的含煤盆地。笔者通过对盆内４９个典型剖面，５０个辅助剖面的环境分析，以及层序地层学研究，将其划分为Ⅰ—Ⅲ级层序及Ⅳ级准层序，共４级地层单元。Ⅳ级准层序相当副层序。一个Ⅳ级准层序内所含的煤体称为煤层。全区自晚石炭世至晚二叠世早期所限定的７个成煤期内，共圈出煤组７个，煤层２０层以上，以Ｂ３，Ｄ２，Ｇ７１煤层最具工业价值。Ｂ３煤层分布于盆地北部，Ｇ７１煤层分布于盆地南部，Ｄ２煤层全盆地均有分布。煤层聚积受多种因素控制，而构造活动及海平面升降则是第一位的控制因素
The Late Paleozoic coal-bearing basin in North China is the largest coal-bearing basin in China. Based on the analysis of 49 typical sections and 50 auxiliary sections in the basin and the study of sequence stratigraphy, the author divides them into Ⅰ-Ⅲ and Ⅳ quaternary sequences, and has a total of 4 stratigraphic units. Ⅳ quasi-sequence quite deputy sequence. A grade Ⅳ quasi-sequence contained in the coal known as the coal seam. During the 7 coal-forming periods defined by the Late Carboniferous and early Late Permian, 7 coal-bearing formations have been circled in the entire area, with over 20 coal seams and most of the industrial values of B3, D2 and G71 seams. The B3 coal seam is distributed in the northern part of the basin, the G71 coal seam is distributed in the southern part of the basin, and the D2 coal seam is distributed in the whole basin. Coal seam accumulation is controlled by many factors, while tectonic activity and sea level rise and fall are the primary controlling factors