The book is devoted to one of the urgent problems of abdominal surgery.Surgeries for inguinal hernias occupy the first place in terms of frequency among planned surgical interventions. Clinic of faculty surgery. N.N. Burdenko of the First Moscow State Medical University. THEM. Sechenov under the guidance of Academician of the Russian Academy of Sciences, Doctor of Medical Sciences, Professor, Honored Scientist of the Russian Federation A.F. Chernousova has extensive scientific and practical experience in the treatment of patients with inguinal hernias.The paper covers in detail the history of development, modern achievements and trends in herniology. Much attention is paid to one of the most important complications of surgical treatment of inguinal hernias - the development of chronic postoperative inguinal pain. Proposed own method of prevention of this complication. The text is illustrated with clinical examples, intraoperative photographs, tables, drawings.For operating surgeons.