企业的一切经济业务基于合同,合同管理是企业管理的核心,是企业加强管理,维护自身经济利益的根本,是企业核心竞争力的组成部分。随着社会的进步,经济的发展,这一点尤为突出。1基本概念合同是当事人或当事双方之间设立、变更、终止民事关系的协议。依法成立的合同,受法律保护。广义合同指所有法律部门中确定权利、义务关系的协议;狭义合同指一切民事合同;最狭义合同仅指民事合同中的债权合同。企业合同管理是企业管理依法行事的基础。依法签订的工程合同是工程实施的“法典”、“规 All economic business enterprises based on the contract, contract management is the core of business management, business management to strengthen and safeguard their own economic fundamentals, is an integral part of the core competitiveness of enterprises. With the social progress, economic development, this is particularly prominent. A basic concept Contract is the agreement between the parties or parties to establish, change, termination of civil relations. The contract established by law shall be protected by law. Generalized contract refers to all legal departments to determine the rights and obligations of the agreement; Narrow contract refers to all civil contracts; the most narrow contract only refers to the civil contract in the debt contract. Enterprise contract management is the basis of business management according to law. The project contract signed according to law is the ”Codex“, ”Regulation" of the project implementation