本文报告炼铁炉前工慢性铅中毒8例,有密切铅接触史,临床表现有神衰症候群及肌无力,尿铅、血铅轻度增高,卟啉代谢轻度改变,驱铅试验后尿铅量大多数超过1mg/d。本文还对铅中毒的早期诊断、治疗及驱铅试验作了探讨。 In this paper, 8 cases of chronic lead poisoning in the iron furnace were reported. There was a close history of lead exposure. The clinical manifestations were Shenyin Syndrome and myasthenia gravis. Urine lead and blood lead were mildly elevated, and porphyrin metabolism was mildly changed. Most lead in excess of 1mg / d. This article also explores the early diagnosis, treatment and lead-removing test of lead poisoning.