职业性黑变病约占职业性皮肤病的2～5％。现将我所近10年间收治的6例炉前工职业性黑变病分析如下。1临床资料1．1一般资料6例均为男性，系攀钢炼铁厂及炼钢厂高炉岗位炉前工，接触高温、沥清、粉尘、焦粉等，均按职业病诊断标准由职业病诊断小组确诊。年龄26～49岁，平均36岁， Occupational melanosis accounts for about 2 to 5% of occupational skin diseases. Now I have been treated in the past 10 years, 6 cases of pre-job occupational melanosis is analyzed as follows. 1 Clinical data 1.1 General Information 6 cases were male, the Department of the Panzhihua Iron and Steel Works blast furnace blast furnace post workers, contact with high temperature, bitumen, dust, coke powder, etc., according to occupational disease diagnostic criteria by the diagnosis of occupational diseases The team is diagnosed. Age 26 to 49 years old, average 36 years old,