在研究了前人有关资料的基础上,结合多年的野外土壤调查制图实践和研究,对成土母质及其类型的概念,有了一些新的认识,提出了划分母质类型的原则和依据,并以浙江省区为例,归纳出全省44个成土母质类型,经过航、卫片土壤制图的多次应用,表明其效果较好. On the basis of studying the previous data and combining with many years of field soil mapping practice and research, we have got some new ideas about the concept of soil parent materials and their types, put forward the principle and basis for the classification of parent materials Taking Zhejiang Province as an example, this paper summarized 44 types of soil parent materials in the province.