莱姆病是一种多发于林区由蜱传播的自然疫源性疾病 ,因此职业与莱姆病的感染发病有着密切的关系。本文通过对长白山林区的地理环境、媒介蜱源、人群、动物感染情况进行了深入调查研究和有关资料整理 ,从而对该地区莱姆病流行情况有初步了解 ,现介绍如下。1　自然疫源地的状况长 Lyme disease is a natural foci disease that is spread by ticks in forest areas, so occupational diseases are closely related to the incidence of Lyme disease. In this paper, the geographical environment of Changbai Mountain forest area, media ticks, population, animal infection conducted in-depth investigation and research and related information collation, and thus the situation of Lyme disease in the region have a preliminary understanding, are presented below. 1 Natural foci have a long history