The book is based on many years of research and observations of the famous Soviet and Russian pharmacologist, Doctor of Medical Sciences, Professor L. V. Pastushenkov and his sons, pharmacologist A. L. Pastushenkov and immunologist V. L. Pastushenkov. Information is provided on more than 250 medicinal products plants, the feasibility of which for medical purposes has been tested not only by time, but also by clinical observations or experimental studies. Botanical descriptions of plants are given, their habitats are given, their chemical composition is indicated, and medicinal and economic indications for their use are determined. Instructions are given for collecting, drying and storing medicinal plants. The compositions and methods of preparing medicinal preparations and infusions for the treatment and prevention of more than 450 different diseases are given. The fifth edition of the book is supplemented with information about new medicinal plants, herbs and preparations.