This book is intended for students of the bachelor's level of higher educational institutions of the general group. It is developed on the basis of the program of the subject "Use of the Uzbek language in the field". The materials of this study guide can be used in classroom lessons, assignments, and supervision. Each lesson of this guide was given as a practical exercise, and instructions specific to the field terms, documents, official-departmental work style were given. In the training manual, the scientificity of the expert's speech, the use of terms related to the field, and the terms specific to the formal style are mentioned in the development of students as representatives of the field.