The Azerbaijani language is one of the oldest languages. This language was formed on the basis of rich turkic language. Azerbaijani language has evolved with other turkic languages. Interaction of different out there at certain times. The first written monuments as "Kitabi-Dede Gorgud", our language has a unique role in the study of the facts. The creativity of Nasimi is the beginning of a literary language based on. He greatly enriched the vocabulary composition of the Azerbaijani language, the native language has the possibility to identify all of the lexicalsemantic. Fuzuli creativity reached the top of the literary language. In XVII-XVIII centuries the Azerbaijani literary language of the times of formation of national language based on the expires. Is times of formation of the national language and its place on the basis of the literary language. In this period formed the national literary language with Vagif. Condition of Azerbaijani literary language Azerbaijani literary language can be called up in XVII century old, and after XVII century. In subsequent circulation Azerbaijani language has towards modernization. Technology development at a time when the prevalence of neologisms in Modern Azerbaijani language is observed. Obtaining neologism than in our own words the minority, but for now these reforms are carried out. The Azerbaijani language was called differently at different times. This language, which for a long time was called "Turkish language", "Turki", "Tatar language", "Azerbaijani turkish", after gaining independence was declared as "Azerbaijani language", which was recorded in official documents. At present thanks to the attention and care of the state program on development of the language is made, orders and decrees issued. The article discusses issues related with the Azerbaijan language and its development.