介绍了青藏高原多年冻土地带铁路试验工程中有关爆破方面的研究成果，针对多年冻土的特征，重点论述了爆破方法与工艺及先进实用的聚能爆破技术。

The paper introduces the research achievements on blasting while the writer participated the railway experimental engineering projects in ever-frost ground in Qinghai-Tibet Plateau in seventies. It describes the blasting methods and technology, and practicable cumulative blasting technology according to the features of ever-frost ground.