This book is made as a guide for medical laboratory technologist students. It is based on my college learning model. This book can be a second teacher to all newcomers in FNAC of thyroid. Cell images in this book may help students in recognizing cell morphology in the cytology of thyroid . In addition, this book covers aspects of normal cell morphology, inflammation/benign and abnormal cells of the thyroid. These book cover the several topics included anatomy of thyroid, reporting terminology normal/benign thyroid I share my experience with you through these atlas book and hope that you will learn from these book as i have learned from other atlas book before. Many of us can recall the morphological images when colored photomicrographs were available and affordable. I would be pay tribute to our professional colleagues especially my pathologist, the cytotechnologists and preparatory technicians who helps me for the slides and make the atlas book so meaningful and colorful. Now, these colorful atlas may help you in recognizing the FNAC of thyroid. Enjoy reading and make this book as your second teacher!