项目成本管理是指在保证工程质量、工期等合同要求的前提下,对项目实施过程中所发生的费用,通过汁划、绀织、控制和协调等活动实现预定的成本目标,并尽可能的降低成本费用的一种科学的管理活动。它主要通过技术(如施工方案的制定比选)、经济(如核算)和管理(如施工组织管理、各项规章制 Project cost management means to meet the contract requirements of project quality and construction period, and to realize the planned cost target through activities such as planning, organization, control and coordination, and so on. Reduce costs and expenses of a scientific management activities. It mainly through technology (such as the formulation of construction program comparison), economy (such as accounting) and management (such as construction management, rules and regulations