The main trends in parasitology are reviewed on the basis of analysis of the scientific conference held in frames of the 6th Congress of the Russian Society of Parasitologists. Oral presentations (136) were grouped into 12 problematic sections according to the main areas of parasitological science; the conceptual and general review lections were placed into plenary sessions; a part of papers (26) were presented as posters. Main trends and perspectives of development were defined for every fundamental branch of parasitology; the novelties comparing to the international level of similar research were analyzed. It was detected a progress among medical-veterinary and plant pathological papers in methods and technology basis aimed to prompt survey and diagnostics of parasite-caused diseases and the development of safety measures for environment and society.