The aim of the course is to familiarize students with general issues related to medicinal herbs: medicinal properties, cultivation, harvesting, and application in the common treatment of various health disorders and diseases. During the course, many examples of different medicinal herb species are presented, as well as their taxonomic importance, the examples of active compounds (secondary metabolites) and their pharmacological action. The lectures will discuss in detail the results of some studies on the effect of action of selected active compounds on specific disease, the form of the preparation used and the dosage depending on the age. During the course, the contribution of medicinal herbs in maintaining health in the history of mankind will also be discussed, depending on the cultures at different latitudes, as well as taking into account the current development of Polish herbal enterprises.