[2] In 1945, Japan surrendered, and World War II ended, Kim Jung-rin came to North Korea and enrolled in the local Central Party School.

In 1962, Kim Jung-rin was elected as a member of the Supreme People's Assembly, and thereafter, until his death, he was re-elected 9 times.

Although the attack was unsuccessful, he was appointed secretary of the Party Central Committee in the following year and was responsible for the affairs of Yugoslavia.

For diplomatic activities, he visited the Soviet Union and Poland as the delegation of the party in November 1987 and September 1988, respectively.

As a key figure of the party, the activities recorded in the commentary group include the 10th anniversary of the death of Kim Il-Sung's central memorial conference in July 2004, and the Pyongyang crowd conference for the task-penetration presented in the appeal of the Songun Revolutionary General Advancement Conference in February 2005, October 2005 Dang Chang-gun 60-stone Celebration Central Reporting Convention, May 2006 70th anniversary of the foundation of the National Liberation Party, April 2007 Chosun People's Army 75-stone Celebration Ceremony and October 2007 National Party Cell Secretary Convention Opening Ceremony.