海德格尔的《康德书》主旨是要通过对康德的独特诠释，来为自己的基始存在论提供一种“历史导论”。他的诠释分三个层次进行，在最关键的第三层次里，海德格尔在树立超越论想象力的根基地位并将其与人的有限性相关联时，继承并利用了胡塞尔的时间理论来对康德进行了一种现象学诠释。通过对比胡塞尔的时间理论，可以发现海德格尔的继承包含两个层面，即时间的场域性特征和时间的三层划分。正是这两方面的继承，尤其是后者，构成了海德格尔得以对康德进行现象学诠释的基础和关键。

The purpose of Heidegger in Kant and the Problem of Metaphysics is affording a historical introduction of his fundamental-ontology through his interpretation of Kant by three stages. In the third stage, the Laying of the Ground for Metaphysics in Its Originality, Heidegger interprets Kant by the phenomenological way through succeeding and applying Husserl's phenomenological theory of time when he is founding the transcendental power of imagination as the basis and relating it to the finitude in human being. Compared to Husserl, it can be found that there are two points in this succession, the width of time and the division of time into three levels.The succession of these two points, especially the latter, is the basis and the key to Heidegger's phenomenological interpretation of Kant.