Terminology is essential to science and criticism; without it, science cannot be practiced or followed. The texts will stay closed, and the approaches will be lost without a straightforward, consistent terminological device with a condensing framing power. The problem of criticism terminology has many names: Anarchy of terminology and is represented in various manifestations, including borrowing the term, its ambiguity, the confusion of its concept, and its intersection with heritage. Additionally, many problems were associated with this problem, including the weakness of the original approach appropriate to our thought and reality. This research discusses the importance of defining and unifying the terminology of criticism, the extent of its need, and some of the solutions recommended to overcome the anarchy of this terminology by referring to the statements of scholars and researchers. Thus, this study explores the problem related to the terminology of Arabic criticism. This scientific issue has been addressed by ancient and modern studies, as well as some of its effects and recommended solutions. The study uses the descriptive analytical approach.