Dear future doctors! This tutorial is designed to help you learn how to quickly and correctly fill in a medical history form of surgical patients. Here you will find detailed recommendations for collecting anamnesis, for describing the objective status, for making and grounding the diagnosis, and for making a differential diagnosis. The tutorial describes the correct procedure for filling in documents that cover the preparation and conduct of surgical intervention and anesthesia. Special attention is paid to the correct interpretation of the results obtained from follow-up examination. Therefore, the tutorial is a kind of a reference book with extensive information for solving a variety of situations associated with the stay of a surgical patient in a hospital. The tutorial includes 30 appendices. They present normal indicators of laboratory tests, a short version of the International Classification of Diseases (ICD-10), interpretation of blood and urine test indicators when examined on automatic analyzers, a new nomenclature of standard and surgical diets, and recommendations for the prevention of infectious and thromboembolic complications. We want to believe that this tutorial will help you become good professionals, and master all the wisdom of medical documentation. We wish you professional and creative success, and your patients a quick recovery and good health!