MAQASHID AL-SYARI’AH AS A SCIENCE DISCIPLINE: Philosophical Review of the Concept of Thahir ibn ‘Asyur Aly Mashar Universitas Islam Negeri Walisongo Abstract This paper examines the concept of maqashid al-syari’ah as a separate science according to Ibn ‘Asyur. The researcher examines this concept using a philosophy of science perspective. It is done by researchers to find out whether Ibn ‘Asyur’s idea has met the criteria as a science or not. This paper is a library research and uses content analysis techniques. The primary sources are the book Maqasid al-Syari’ah al-Islamiyah by Thahir Ibn ‘Asyur published by Dar al-Nafais (al-Thahir ibn ’Asyur, 2001) and the publication of Dar al-Kitab al-Libani(al- Thahir ibn ’Asyur, 2011). The result of this study is that the concept of maqashid al-syari’ah Ibn ‘Asyur has met all the criteria of a science, namely the basic assumptions, ontology, epistemology, and axiology. Keywords: Thahir Ibn ‘Asyur, Maqashid al-syari’ah, Philosophy of Science Coressponding author Email: alymashariainskt@gmail.com