近年来，由于经济建设的迅速发展，各行各业的新建、改建、扩建和续建工程项目不断增加．随之而来的各种卫生问题也越来越多，已直接或间接地影响了广大人民群众的身体健康，同时，由于种种卫生问题的存在，工程不能如期投入使用，也给建设投资者造成了很大的经济损失。因此， In recent years, due to the rapid development of economic construction, new construction, reconstruction, expansion and renewal projects in all walks of life have been continuously increasing. As a result, more and more health problems have ensued, which have directly or indirectly affected the general public’s health. At the same time, due to the existence of various health problems, the project can not be put into use as scheduled, but also to the construction investors A lot of economic losses. therefore,