The main symptoms of workers exposed to organic solvents in the observation group were dizziness, headache, weakness, loss of appetite, insomnia, chronic rhinitis and pharyngitis showing significant difference as compared with that of control group ( P < 0.01). 正己烷检测点超标率7·7%。接触有机溶剂组工人的各种临床症状头晕头痛、乏力、恶心、食欲不振、失眠、慢性鼻炎、慢性咽炎与对照组比较差异有显著性(P<0·01);