The purpose of this research is to analyze the People’s Republic of China’s foreign policy towards the Democratic People’s Republic of Korea. In order to analyze the People’s Republic of China’s foreign policy towards the Democratic People’s Republic of Korea, the author will take advantage of the constructivist approach and from that view the author will give the three specific issue areas to look at the People’s Republic of China’s foreign policy towards the Democratic People’s Republic of Korea, the nuclear weapon program, the possible reunification of two Koreas, the changed leadership in North Korea, respectively. Through these three specific issue areas, we can go tohave a general understanding about what is the People’s Republic of China’s governments’foreign policy towards the Democratic People’s Republic of Korea.  The conclusion will be made on the basis of the three specific events and through that we can realize and conclude the standpoints of the People’s Republic of China’s foreign policy on the Democratic People’s Republic of Korea.