随着合同义务的扩张,当事人除了履行必要的给付义务外,还要依据诚实信用原则履行相关的附随义务。而附随义务具有不确定性,它是随着合同关系的发展,依据合同性质而产生的。因此,本文对建立一套明确的附随义务的认定标准进行了分析和探讨,阐述了附随义务的认定应考虑的原则和标准。 With the expansion of contractual obligations, the parties, in addition to fulfilling the necessary obligation to pay, will also perform the accompanying obligations in accordance with the principle of good faith. However, the attendant obligation is uncertain. It is based on the nature of the contract with the development of the contractual relationship. Therefore, this article analyzes and discusses the criteria for establishing a clear set of incidental obligations, and expounds the principles and criteria that should be considered in the determination of incidental obligations.