Magnetostratigraphy, combined with cosmogenic and AMS 14 C dating, provides an effective method to establish reliable geochronological framework for the late Cenozoic Era. In this paper, the authors present the results of magnetostratigraphic investigations in drill hole NBT1 in southeast of Beijing Plain. In the NBT1 magnetostratigraphy, containing 335 samples collected from the borehole at an interval of 0. 2~0. 4 m, except for the sand and gravel lay, with reliable ChRMs, 10 normal and 9 reverse magnetozones were identified. The strata recorded the palaeomagnetic Brunhes, Matuyama, Gauss and Gilbert polarity chrons, and the bottom horizon was near 4. 2 Ma on the palaeomagnetic polarity column. The analysis of the lithology, 26 Al/10 Be, AMS 14 C, log facies and sedimentary facies for the borehole suggests the strata between 319. 00~214. 80 m belongs to late Pliocene, and the upper strata of 214. 80 m, which is the significant lithologic interface, belongs to Quaternary. At about 4. 2~3. 5 Ma, six periods of rapid deposition of alluvial and diluvial fans occurred. The Early Pleistocene (214. 80~70. 60 m) was dominated by a meandering river system. The middle Pleistocene was mainly composed of lacustrine deposits with branched channel deposits, and the sedimentary thickness was relatively thin. The Late Pleistocene was dominated by branched channels- lacustrine deposits, and the top developed hard clay during the Last Glacial Maximum. Given the chronostratigraphic scale, three stages of relatively high sedimentation rate (>150 m/Ma) can be revealed from drill hole NBT1, i. e. , 3. 58~3. 33 Ma, 1. 945~1. 778 Ma and 0. 126~0. 010 Ma, respectively. They have good comparability on the time scale with extension and uplift of the Tibetan Plateau and Late Pleistocene tectonic activation in North China. It is suggested that the uplift of plateau might also have had a significant impact on sedimentary and tectonic movement for the North China Plain.