物权法定原则,又称物权法定主义,它源于罗马法,后为大陆法系多数国家所采用,确定了物权法的基本性质和特征,是“物权法的一条基本原则,在物权法诸多原则中,它最具特色,并被认为是物权法构造的重要支柱之一。” The legal principles of real rights, also known as the real right legal doctrine, which originated from the Roman law, after the civil law system used by most countries to determine the basic nature and characteristics of the real right law is “a basic principle of property law, It is the most distinctive and is considered as one of the important pillars of the constitution of property law. ”"