It is well known that fine root plays a significant role in carbon flow and nutrient cycling of forest ecosystems.The fine root study and its methods have been one of hot spots of forest ecology.However,the importance of fine root has not been stressed yet in China and fine root researches are seldom conducted.This paper introduced most of methods used in fine root researches abroad,their advantages and disadvantages,suitability and comparison between different methods,aiming to provide basic methods ...