This book includes an introduction to medical Pyrazole compounds and their use as drugs because of their great importance in the treatment of some medical conditions. This book contains naming these compounds and methods of preparation and how to diagnose and also includes the preparation of a series of Pyrazoline vehicles new and diagnosis FT-IR, HNMR, and elements analysis, this book can be used to assist in the teaching of Heterocyclic Compounds as a source decision for the undergraduate students.