王又樸（字從先，號介山，1681－1760）為清中葉經學家，《易翼述信》為《易》學代表作。王氏為清中葉宋《易》派的代表，推尊程、朱《易》，亦關注清初《易》家李光地、刁包等《易》學。其《易》學特色有四：一、歸本《易傳》與釋《易》方法的反省，二、釋《易》方式上承繼李光地採義例解《易》，三、釋《易》觀點乃基於氣本論體系，以氣、本氣、變氣概念釋《易》；四、義理釋《易》歸本儒家思想。然其限制在於每爻必取爻變的作法不免流於僵固。透過研究王氏《易》學可見出清中葉宋《易》派的特色，亦可見出對清初宋《易》派的承繼與開展，繼續為宋《易》找出可能的新契機

Wang Youpu is a Confucian scholar of the Mid-Qing dynasty. His representative work is Yiyishuxin. Wang is the representative of the Song dynasty's Yijing faction in the Mid-Qing dynasty. He make much of Cheng and Zhu's Yijing learning, and pay close attention to Li Guangdi and Diao Bao who are the experts of Yijing learning in the early Qing dynasty. There are four features of Wang's Yijing learning: 1. Return to Contemplation of Yizhuan and the way of Yijing explanations. 2. The way of Yijing explanations, he follows Li Guangdi who explains Yijing by meaning. 3. The viewpoint of Yijing explanations is on the basis of the system of Qi. 4. Return to Confucianism to explain the meaning of Yijing. By the study of Wang Youpu's Yijing Studies, we can find the style of the Song dynasty's Yijing faction in the Mid-Qing dynasty. We also can find the continuance and creation, and find the new chance for the Song dynasty's Yijing