职业性肝脏疾病按致病因素主要分为传染、物理和化学三因素。报道较多的是口服避孕药所致的病毒性肝炎。无症状的乙型肝炎表面抗原携带者可增强对乙醇所致肝损害的敏感性。因此,下水道清洁工的肝损害可能是由传染和化学两种因素的联合作用引起的。不锈钢电焊工的肝损害被认为与焊烟中的铬有关,实际也可能是焊烟中化学物质和紫外线、高温、噪声等的联合作用。传染因素引起的职业性肝损害远在现代诊断性血清试验之前,从分析近 Occupational liver disease by pathogenic factors can be divided into infection, physical and chemical three factors. Reported more oral contraceptives caused by viral hepatitis. Asymptomatic carriers of hepatitis B surface antigen can enhance the sensitivity to ethanol-induced liver damage. Therefore, sewer cleaner liver damage may be caused by the combination of both infectious and chemical factors. The damage to the liver of a stainless steel welder is considered to be related to the chromium in the solder smoke, which may actually be the combined effect of chemicals and UV, high temperature, noise, etc. in the solder smoke. Occupational liver damage caused by infectious agents is far in the modern diagnostic serum test, from the analysis of near