内蒙古大兴安岭林区是我国森林面积最大、采伐量最大、伐木工最多、开采时间最长的林区之一。地处我国最北方且采伐季节是在寒冷的冬季，因此该林区的伐木工应是振动性白指的多发和高发人群，但发病情况未见报道。现将我们的调查简述如下。１　对象与方法对象：在冬季采伐期， The Greater Xing’an Mountains in Inner Mongolia is one of the forest areas with the largest forest area, the largest logging volume, the largest number of logging workers and the longest mining time in China. Located in the northernmost part of China and the harvesting season is in the cold winter, the woodcutters in the forest area should be frequent and high-risk people with shaky white fingers, but the incidence has not been reported. Now our survey is as follows. 1 objects and methods Object: In the winter felling period,