Abstract: In recent years new advances have been made in the study of relevant problems of granitoids at home and abroad.This paper presents an integrated review of the main petrogenetic classification and tectonic environment classification of granitoids and their comparison,and discusses the study method and case history of emplacement mechanism of granitoids.Concrete suggestions are put forward about deepening the study of the problems about the petrological tectonic classification and emplacement mechanism of granitoids of China.