This book attempts to shed light on the science of human engineering (ergonomics), given its great importance in general in many areas of life and the educational field in particular, and most importantly in the field of kindergartens, the subject of this book's study. Ergonomics is one of the branches of modern science that is concerned with the healthy and safe interaction between the human element and other elements of the system in the work environment. This is achieved through the proper design of these elements, and the evaluation and analysis of the louse and various work functions. The work environment is a good study with the aim of making the system comfortable and safe for humans in accordance with their needs, capabilities, and physical specifications