补助动词「ておく」在日语中的使用非常广泛,各类教科书中普遍认为其具有两种用法,分别是事先做好某种准备和让某种状态继续保持下去。一般都只侧重于「ておく」第一种用法的叙述,因此对我们使用和理解「ておく」句式形成了一定的困扰。本文将根据从各类小说中抽取的数据,对「ておく」两种用法间的关系及其时间意义上的连续性进行分析,以达到更好地理解和使用补助动词「ておく」的目的。 The subsidy verb “て お く” is widely used in Japanese. It is generally accepted in various textbooks that it has two kinds of usages: making preparations in advance and keeping some kind of state. In general, we only focus on the narrative of the first usage of “て お く”, thus creating some distress for us to use and understand the sentence “て お く”. This essay will analyze the relationship between the two usages of “て お く” and its continuity in time based on the data extracted from various novels in order to achieve the purpose of better understanding and using the auxiliary verb “て お く” .