The conflict between Ukraine and Russia has been escalating since the Ukraine crisis in 2014. In 2020, the tension between these two states reached its culmination. This conflict not only refers to Russia, Ukraine and the Western power, it also poses a threat to international security. This paper tends to analyze the factors that provoke Russia to intervene in Ukraine, specifically from a political perspective. It is expected that the analysis of this issue could contribute to future research in the relationship between these countries, and to understand the actions taken by Russia. For analyzing the problem more compressively, this literature searched for articles from 2000 to present on Google Scholar and JSTOR, and through screening according to keywords, a total of 23 articles were selected. In summary, there are three main factors summarized in this article, in terms of domestic political stability, geopolitical strategy, and national defense industry development.