In professional communication states that the methodology of science is one of the most frequent terms (it is an obligatory component of every science, every fuller understanding and action), in opinions on the content but there is no consensus. Of the many questions representatives of different opinions the authors selected especially those who according to their opinion best explain the functions and structure of the methodology of scientific knowledge, namely: what methodology isused and what features methodology in scientific knowledge and fulfill what the science department‘s methodology of scientific knowledge.