本文从井盖多发事故案例、国内外标准、国内监管情况等方面,分析了井盖质量不合格带来的安全风险,以及国内井盖行业存在的问题。建议进一步修订相关国家和行业标准,同时加大对井盖的监管力度,以及对生产不合格产品企业的处罚力度,有效解决检查井盖长期存在的质量与安全问题。 This paper analyzes the safety risks brought by substandard manhole covers and the problems existing in the domestic manhole cover industry from the case of multiple accident covers, standards at home and abroad, the domestic regulatory situation. It is suggested that the relevant national and industrial standards should be further revised and at the same time increased supervision of manhole covers and penalties for enterprises that produce substandard products so as to effectively solve the long-standing quality and safety problems of manhole covers.