The article examines the breaking of literary ties between the literature of South Azerbaijan and the Republic of Azerbaijan in the 20th century, the steps taken by the great leader Heydar Aliyev from the 70s and 80s of the last century, and the nature of his theses calculated for the distant future. The author analyzes the issues of recognition of poets and writers from South Azerbaijan in our republic and the problems of bringing our literature to a common level as a result of the work done after the coming to power of the national leader H. Aliyev. In the article, the experiments carried out by Habib Sahir, a prominent poet known in our republic, in the direction of creating "new poetry" in Persian and Turkish literature in Iran were brought to the level of analysis.