The book is conceived as a reference book from which the reader can not only learn about various systems and methods of purification, but also determine what kind of purification should be used in certain diseases. In the "Useful Information" section, the reader can find out brief information about the structure of the human body, types and characteristics of the personality, the constitution of the personality, the human energy body, biological and lunar rhythms and their effect on the body during purification, as well as about the creators of purification systems. The section "Systems and methods for organ cleansing" presents the most well-known systems and more than 120 methods for cleaning various organs. The section "Diseases and cleansing of the body" describes diseases in which one can expect recovery by cleansing certain organs. At the end of the book is a brief list of terms. There is also a subject index by which you can find a description of organs and methods for their purification by appointment.