一、订立合同的基本原则是什么?1、平等原则。合同当事人的法律地位平等,一方不得将自己的意志强加给另一方;2、自愿原则。当事人享有自愿订立合同的权利,任何单位和个人不得非法干预;3、公平原则。当事人应该遵循公平原则确定各方的权利和义务;4、诚实信用原则;5、合法原则。当事人订立、履行合同,应该遵守法律、行政法规,尊重社会公德,不得扰乱社会经济秩序,损害社会公共利益。 First, the basic principles of the contract is what? 1, the principle of equality. The parties to the contract have equal legal status, and one party may not impose its own will on the other. 2. The principle of voluntariness. The parties have the right to voluntarily enter into a contract and no unit or individual may illegally interfere with them. 3. The principle of fairness. The parties should follow the principle of fairness to determine the rights and obligations of all parties; 4, the principle of good faith; 5, the principle of legality. When the parties conclude and perform the contract, they shall abide by laws and administrative rules and regulations and respect social ethics, shall not disrupt the social and economic order and damage the public interest in society.