合同内容自由是合同自由最为基本的表现,即每个人与任何他人在自愿前提下以任意内容订立合同。但随着时代的变迁、社会的发展,现代契约法表现为对契约自由的规制,以体现根本的契约正义。这和国家职能及其演进密切相关。国家在合同关系的形成和消灭过程中,从来就不是一个旁观者,只是强制的性质、目的和效果不尽相同而已。因为国家角色从单纯的经济秩序维护者、仲裁者,演变为结果取向的干预者,与积极的市场参与者,近年又 The content of the contract Freedom is the most fundamental manifestation of the freedom of contract, that is, every person and any other person voluntarily entered into a contract on an arbitrary basis. However, with the changes of the times and the development of society, the modern contract law manifests itself as the regulation of freedom of contract to reflect the fundamental contractual justice. This is closely related to the national function and its evolution. The state has never been a spectator in the process of the formation and elimination of contractual relations, but the nature, purpose and effects of the compulsion are not the same. Because the role of the state evolved from purely economic order defenders and arbitrators to result-oriented interventionists and active market participants, in recent years