Like many patriotic youths in North Korea at that time, he was determined to save the country by studying military affairs. Through the introduction of Lv Yunheng and Huang Jiemin, I met Liu, the son of Governor Liu of Guizhou Province. After Liu introduced me, I entered Guizhou Army School on 19 18+02. 19 19 12 graduated with honors, and then worked in Liubu, Guizhou. A year later, he returned to Shanghai and went to Manchuria in March of 192 1 according to the instructions of Lu Bolin, the chief military officer of the interim government of North Korea. First, he taught in the Korean Independent Army Reserve Corps (equivalent to the Teaching Corps) and conducted systematic military training. Following Lublin's instructions, he led a preparatory team to Russia, and envisaged forming an army with the help of Russia. Due to the tragic change of Freedom City (referring to the struggle between Russian troops and Hong Fantu's independent army), his plan was seriously frustrated.

192 1 year, Jin led his troops to join the Russian Far East Volunteers to Resist US Aggression and Aid Korea and served as the squadron leader of the second squadron under the headquarters. Since then, entrusted by Commander Li Yan (the eldest son of Li Yi's martyr), the Military Attaché School of the Korean Volunteers has been established and many military cadres have been trained. These students became the backbone of the army when they organized the Manchurian Independence Army in the 1930' s. Because the Red Army and the White Army were often at war at that time, the headquarters of the Korean Volunteers where Kim was located had to return to Manchuria.

1926 Jin joined the Chinese national revolutionary army, served as the staff officer of the major of the East Route Army, and participated in the Northern Expedition. Successive captains, co-captains, chief of staff of Wusong fortress headquarters, director of the military department of Shanghai Arsenal, and director of intelligence in the rear of China Route Army 19. Kim joined the Korean Military Association 193 1. 1932 In February, he served as the finance minister of the Korea Independence Party, an independent movement party representing the nationalist line. Moreover, in order to train the armed forces directly under the provisional government, he agreed that the Japanese army should set up special classes in military schools and carry out many activities behind the scenes for the anti-Japanese independence movement. During this period, he secretly made bombs to support the assassination of Japanese chiefs by South Korean independents Li Fengchang and Yin.

19 After the disintegration of the Route Army, he taught in Gangneung Branch of the Central Military Academy and trained more than 100 students for the Korean Independent Army. War of Resistance against Japanese Aggression broke out 1937 troops returned. He used to be the chief of staff of 102 Division (Teacher Huizhang Bo) and participated in the Battle of Jiangyin Fortress in the Battle of Songhu. 1938 participated in the battle of Wanjialing. 194 1 year 19 army commander, participated in organizing high-altitude battles, and graduated from the special class of Chinese Army University. 1944 Acting Chief of Staff of Youth Army Command. Jin was awarded a medal by the government of People's Republic of China (PRC) in May 1945. In June of the same year, at the invitation of the interim government, he became the second military affairs minister and chief of staff of the General Command of the Korean Recovery Army. Wang's plan to lead the fourth army to attack Wuhan fell through because of the Japanese surrender.

From 65438 to 0946, he served as senior consultant of Northeast Security Command and director of North Korean Personnel Service Department, devoted himself to protecting the lives and property of North Koreans living in Manchuria and bringing them back to China safely.