Cold and hot crude oil orderly transportation is very strict to the temperature field of the soil, which is also the key for  the hot oil to enter the station safely after the cold oil is transported. Based on heat transfer and fluid dynamics, the governing equations of flow and heat transfer of buried pipelines have been established, and the numerical simulation of the dynamic change process of cold and hot crude oil orderly transportation process along the pipeline in different axial position of the oil temperature and soil temperature field have been done. The results show that with the alternating cycle operation of temperature of the outbound crude oil, there is a periodic variation in the oil temperature of different locations along the pipeline and a certain range around the soil temperature field but a certain time or space lag. For the low throughput operation of the pipeline, more than a certain distance, the transmission temperature tends to be consistent. There is a main factor which should be considered in the pipeline safe operation plan that in the process of hot-cold oil batch transportation, hot oil inlet temperature drops to a minimum which is affected by the previous cold oil.