Conclusion The change of the level of sole-hydroxyproline in the blood after inhaling dust shows the demage level of dust to lung.

• 结论接尘人员血清游离羟脯氨酸的含量明显高于非接生人员,揭示血情游离羟脯氨酸含量的测定可用于判定粉尘对肺的损害程度的研究。