Abstract: Based on the data of Dimocarpus confinis population in Longhushan Natural Reserve of Guangxi，the curves of lose rate，survival rate，mortality rate，and survival function of the population were made for the static life table to analyze the population dynamics. It indicates that the population has a peak of mortality at Ⅳ age class，and survival curve of the population belongs to the type of Deevey-Ⅰ，the survival rate of population is monotonously decreased，and the accumulated death rate is monotonously increased concomitantly. The altered degree is more obvious in early stage than in later stage. The results show that the current live condition of the Dimocarpus confinis population is still under severe situation even with the nature conservation. It is necessary to conduct the manual management and strengthen investigation on resources，and to start ex-situ conservation for the excellent germplasm. 　　

Key words: Dimocarpus confinis, population, life table, survival curve