Abstract: 【Objective】The spatial heterogeneity of DBH growth for natural Korean pine forests and its relationship with terrain factors were discussed for providing a basis for scientific management.【Method】Geo-statistical, variance analysis, geographically weighted regression and other methods were used to study the spatial heterogeneity of DBH growth for natural Korean pine forest and its relationships with altitude, slope position, slope orientation and slope gradient in Baihe Forestry Bureau.【Result】The coefficient of variation for DBH growth in natural Korean pine forest was 0.6, which belonged to moderate variability in the study area. The exponential model with highly fitting degree was the most suitable way for describing spatial variation characteristics. The spatial autocorrelation of spatial distribution of DBH growth in natural Korean pine forest was significant in the range of 0-4 230 m. The method of OLS and GWR were chosen to establish the DBH growth model for natural Korean pine forest based on terrain factors. The results showed that the prediction accuracy was improved by the GWR method compared to OLS method.【Conclusion】The spatial heterogeneity of DBH growth for natural Korean pine forest was significant and produced difference with the change of terrain factors. The change of altitude and slope orientation exerted greater influence on the DBH growth.