In 1764, Kant published "Beobachtungen uber das Gefuhl des Schonen und Erhabenen," an article on aesthetics while referring to issues of ethics. In this paper, he takes the "beauty and dignity of human nature" as the only object of moral sense. What interests numerous scholars is where Kant's thoughts about beauty derive from. It is generally assumed that this idea about the beauty of human nature. Derives from Shaftesbury's ethics of beauty, and his idea about he dignity of human nature derives from Rousseau. But Josef Schmucker, unlike others, attributes Kant's conception about "beauty and dignity of human nature" to the influence of Francis Hutcheson. In this paper , a few reasons are provided to justify Schmucker's unique idea. Finally, the status of "beauty and dignity of human nature" in the development of Kant's ethics as the only object of moral sense is discussed.