The book contains data from the literature on metabolic disorders in surgical patients and its correction using parenteral nutrition, as well as the results of the authors' own observations on these issues. Characteristics of modern therapeutic agents used for parenteral nutrition are presented. Practical recommendations are given on the choice, duration of use and assessment of the effectiveness of various regimens for the administration of therapeutic drugs at various stages of surgical treatment. For surgeons, oncologists, obstetricians-gynecologists, resuscitators, therapists.