In this paper I investigate differences and similarities in the definitions of human being and human essence as proposed by two of the most influential thinkers of 20th-century world philosophy, namely Mou Zongsan and Martin Heidegger. I first examine a number of interpretations put forth by scholars that assess the philosophical compatibility of the thought of the two philosophers. Each of these assessments tend to agree that they are incompatible with each other based on what they perceive as an absolute distance between Mou’s and Heidegger’s ways of thinking. Although these studies are pioneering and show an in-depth understanding of Mou’s thought, none demonstrate a correct understanding of Heidegger’s philosophy. Therefore, I will attempt to demonstrate that, despite their differences, the ontological and ethical theses of Mou and Heidegger have several striking points of contact. I will also put forth the claim that Heidegger’s post-turn philosophy is more compatible with Mou’s philosophy than Kant’s system.