Integration between religious law and spiritual dimension is an equilibrial perfection in Islam, therefore became continuoslyy reminded by Muslim scholars from time to time. Yet, some researchers claim it's contradiction, whereas Muslim Sufi scholars such as al-Hallaj, Hamzah al-Fansuri, and Shamsuddin al-Sumatera'i has firm statement in it's inseparable. Thus, the purpose of this article is to evaluate the teaching on Islamic law by al-Hallaj, Hamzah al-Fansuri, and Shamsuddin al-Sumatera'i' based on their own sayings and actions.