文章介绍了江苏、上海、浙江三省市的地勘单位自开展地质大调查以来 ,在国土资源调查评价、地质环境监测、地质灾害防治、农业地质环境调查、地面沉降防治、地下水资源评价等公益性地质工作所取得的成果及社会效益 ,并得出了对公益性地质工作的四点认识。 This article introduced the geological survey units in Jiangsu, Shanghai and Zhejiang provinces since the commencement of the geological survey. They are the first in the field of land and resources survey and evaluation, geological environment monitoring, geological disaster prevention and control, investigation of agricultural geological environment, ground subsidence prevention and control, groundwater resources assessment and other public welfare The achievements made in the geological work and the social benefits, and four points of cognizance on the commonweal geology work.