Currently, despite great achievements in the field of synthesis of drugs, the use of herbal products not only does not decrease, but increases noticeably. The healing properties of fir, primarily fir oil, birch and chaga mushroom have been known for a long time; methods of using the last two as medicines were described in the works of the famous medieval physician Avicenna. In this book, the reader will find numerous recipes for amazing potions from three natural protectors - fir, birch and chaga mushroom, which are rightfully considered universal remedies for a number of diseases .