Based on the data of Pinus massoniana tree ring in Dinghushan Nature Reserve，Guangdong Province， the productivity of Pinus massoniana population from 1953 to 1991 was obtained using allometric method．The correlation between the changes in local temperature and the productivity of the population was analyzed by MICROSOFT EXCEL program utiIizing meteorological data． The result showed that the productivity increascd by 3.31 t hm-2a-1 with air temperature increase of every 0.6℃.
