【正文】 for the future cost control ready. And the pletion of phase cost control, as a result of cost financing has been basically a foregone conclusion, even if the deviation has been too late to rectify. principle of management by objectives. Management objectives include : setting goals and deposition, the goal of responsibility and implementation of the aims of the inspection results of the implementation, evaluation of the goals and objectives that form the management objectives of the planning, implementation, inspection, processing cycle, PDCA. responsibility, authority, in light of the profit principle. Construction of the project, project manager of the department, the team shouldering the responsibility for cost control at the same time, enjoy the power of cost control, project manager for the department, Teams cost control in the performance of regular examination and appraisal of implementation of a crossword punishment. Only to do a good job duties, rights, and interests bining cost control, in order to achieve the desired results. 4, the construction cost control measures cost control measures. Reduce the cost of construction projects means, we should not only increase revenue is also reducing expenditure, or both also increase savings. Cutting expenditure is not only revenue, or revenue not only to cut expenditure, it is impossible to achieve the aim of reducing costs, at least there is no ideal lower cost effective. Project Manager of the project cost management responsibility for the first, prehensive anization of the project cost management, timely understand and analyze profit and loss situation and take prompt and effective measures。INTRODUCTION project a corporate image window and effectiveness of the source. With increasingly fierce market petition, the quality of work and the construction of civilizations rising material prices fluctuations. uncertainties and other factors, make the project operational in a relatively tough environment. So the cost of control is through the building of the project since the bidding phase of acceptance until the pletion of the entire process, It is a prehensive enterprise cost management an important part, we must anize and control measures in height to the attention with a view to improving the economic efficiency of enterprises to achieve the purpose. 2, outlining the construction project cost control, the cost of the project refers to the cost and process of formation occurred, on the production and operation of the amount of human resources, material resources and expenses, guidance, supervision, regulation and restrictions, in a timely manner to prevent, detect and correct errors in order to control costs in all project costs within the intended target. to guarantee the production and operation of enterprises benefits. 3, the cost of the construction enterprise principles of construction enterprises control the cost of control is based on cost control of construction project for the center, Construction of the project cost control principle is the enterprise cost management infrastructure and the core, Construction Project Manager in the Ministry of Construction of the project cost control process, we must adhere to the following basic principles. Principles lowest cost. Construction of the project cost control, the basic purpose is to cost management through various means, promote construction projects continue to reduce costs, to achieve the lowest possible cost of the objective requirements. The implementation of the principle of minimum cost, attention should be given to the possibility of reducing costs and reasonable cost of the minimum. While various mining capacity to reduce costs so that possibility into reality。 The other must proceed from actual conditions, enacted subjective efforts could achieve a reasonable level of the minimum cost. overall cost control principles. Cost Management is a prehensive enterprisewide, and full management of the entire process, also known as the three of management. The full project cost control is a system of substantive content, including the departments, the responsibility for the work and team economic accounting, and so on, to prevent the cost control is everybody39。 engineering technology department should ensure the quality, Regular tasks to plete as much as possible under the premise adopt advanced technology in order to reduce costs。 Finance Ministry in charge of the project39。 paid attention to quality control to eliminate redone, shorten the acceptance and reduce expenses。 only achieve cost control project aims to strengthen the management of construction project can be meaningful. Construction of the project cost control of construction reflects the nature of project management features, and represents construction project management at the core. Construction of the project cost control of construction project management performance evaluation of the objectivity and fairness of the scale. 5. strengthen project cost control practical significance strengthen project cost control railway construction enterprises out of their predicament, the need to increase revenue. At present, the railway construction enterprises just into the market, to participate in market petition, will face a tough test of the market. Now the construction market liberalization, implement bidding system, and the strike has very low weight, To create efficiency is the only way to strengthen internal management and improve their internal conditions, internal efficiency potentials. Therefore, the strengthening of project cost control is a very realistic way. Strengthening Project Cost control is adapt to the market petition, and strengthening internal management to the needs of their work. With the railway enterprise39。 informative。 Consuming accessories not review,