室内甲醛污染来源及其对人体的危害

本文分析了室内主要污染物之一游离甲醛的来源及浓度范围，并从甲醛对动物和人体的刺激作用，毒性作用和致癌作用的角度综述室内甲醛对人体健康的危害。从文献资料可知，甲醛对人的刺激作用引起多种症状，并对眼部，呼吸系统，肺功能，神经系统功能和免疫系统具有毒性作用，而且甲醛也是一种较强的致突变、致癌物质，是引起肿瘤死亡的危险因素之一。本文并列出了治理室内甲醛污染的措施。

The origin of indoor formaldehyde and its effects on human health

This paper analyse formaldehyde origin and its concentration range of the indoor environment, one of main pollutants in indoor air. This paper also sums up the effects of indoor formaldehyde pollution on human health from different aspects, including activating effect,toxicity effect and causing cancer effect.From the references,formaldehyde can activate person and cause serval kinds symptoms.It may poison eyes, respiration system,lung function, nerve system and immunity system.It is also a strong matter that cause mutation and cancer.It is one of main dangeous factors of death of tumour.The treatment methods of indoor formaldehyde are listed in this paper.