Abstract: By survery&study,we have find that the maized tracffic rood of X city had contaminated by O₃.NO₂.TSP and noise that the symptomes appering rates of respiratory system.digestive system,ear,eye,nose,skin and neurasthenic comprehenive symtoms of out-policemen have viously increased higher that the lung of contaminated mice have directy and indirect mutagenic substances and the semen aberration and micronucler rates of contaminated mice were obviously increase.