随着社会的发展和生产工艺趋于多样性,劳动者在工作中接触的化学物质更为复杂。如果疾病发生于接触有害物质之后,劳动者通常认为所患疾病与接触有害物质有关,假如所患疾病不在职业病目录[1]中,那么究竟是有害物质引起的疾病,还是本身患有的其他疾病,这是实际工作中常可见到的难题。因此,在职业病诊断与鉴定中,必须认真做好鉴别诊断,尤其是要借助其他临床科室的专业理论、经验和相关检查手段,以 As societies develop and production processes become more diverse, workers are exposed to more complex chemicals at work. If the disease occurs after exposure to harmful substances, the workers usually think that the disease is related to the contact with harmful substances, if the disease is not in the occupational disease directory [1], then whether it is a disease caused by harmful substances, or their own other Disease, which is often seen in real work problems. Therefore, in the diagnosis and identification of occupational diseases, we must do a good job in differential diagnosis, in particular, to take advantage of other clinical departments of professional theory, experience and related inspection methods to