With the rise of the new growth theory and the extensive use of the new empirical methods,the research of international technology spillover effects through various channels has been active in recent years.Its research content and points of view are deepening.As an important channel for technology spillovers,Outward Direct Investment has been gradually attached much importance to by academic researchers.This paper,mainly based on the perspective of Outward Direct Investment and technological progress of home countries,surveys the technological progress effect through Outward Direct Investment.It analyzes the existing literatures and makes a brief comment,so as to show the current situation of the research in this field.