The book is dedicated to the most important problem facing the creators of superconducting magnetic systems. - magnetic system winding stabilization problem. Issues of thermal and internal stabilization of superconducting windings are considered in detail. It contains a detailed analysis of the state of the issue, provides practical recommendations. The book is designed for scientists and engineers working in the field of creating and operating superconducting magnetic systems for various purposes; it can also be useful for graduate students and students of relevant specialties.