The Middle East is considered a geopolitical region for the great powers. Among the Middle East states , Syria has a crucial status. Since the beginning of the domestic unrest in this country, the interests of a number of regional and trans-regional actors have been challenged. Russia is among those states that feels its interests and security threatened by this development. This aritcle is trying to analyze the Russian foreign Policy towards Syrian crises. According to the main argument of this article, while Russia seeks to restore its influence in Syria, it is determined to block the infiltration of the so called Arab uprising into the Eurasia which is considered its backyard.