Vocabulary work covers the acquisition of new words and their meanings by schoolchildren in an accessible form. It complains the main stage of familiarization with the emotional and expressive coloring of the words and with the sphere of their use. It gives assimilation to the polysemy, the figurative meanings, synonyms, antonyms and paronyms concepts. Activation of the vocabulary in the class gives to students a capacity to use newly learned words in their own utterances that help them include these words in their constantly used vocabulary list. Vocabulary work also used in clearing the dictionary, in other words, to eliminate dialectal, vernacular and vulgar words from the active vocabulary of students. The correct and well-thought-out use of the students' native language has great importance for the successful teaching of the Russian language to non-Russian children.