1937 1 1 Jia expanded his army according to the instructions of Shanxi Provincial Party Committee and Hedong Special Committee. For more than a month, he has launched propaganda in various counties in southern Shanxi, organized tens of thousands of young people to supplement the 359th Brigade of the Eighth Route Army120th Division, and at the same time expanded a number of recruits to the115th Division. 1938 1 Jia and Jin Changgeng went to Yan 'an Central Party School to study; In the same year, * * * Beifangju held a meeting of activists to join the Party in Liucun, Linfen, and praised Jia at the meeting; In May of the same year, the organization decided to let Jia go back to work in advance. Before he left, he instructed Jia how to strengthen party building and persist in guerrilla warfare according to the characteristics of southern Shaanxi. In June of the same year, after he returned to work in Hedong, he served as a member of the Special Committee of Shanxi and Henan, a member of the Committee of Zhongtiao Prefecture, the Minister of Military Affairs, the Supply Minister of the Shanxi and Henan Guerrilla Detachment of the Eighth Route Army, the Director of the Political Department of the Sixth Brigade, and the battalion chief of the Seventh Brigade. On September 28th, 1939, 10, Jia was elected as an alternate representative to attend the Seventh National Congress of the Communist Party of China (CPC). Later, due to the postponement of the Seventh National Congress, Jia was unable to attend the meeting. In the same year 165438+ 10/8, Jia set out for Yan 'an in Hanjialing, Xia County, and was assassinated by Li Yu 'an, a Kuomintang spy, at the age of 49.

After Jia's sacrifice, the guerrillas in the Shanxi-Henan border region held a memorial service in Yangcheng. Xinhua Daily (Taiyue Edition) published an article entitled "Mourning Comrade Jia" on June 1 940 1 7, and highly praised Jia's spirit and contribution to the revolution. 1952 On May 4th, Shanxi Provincial People's Government renamed Taiyue No.5 Middle School, which was founded during the Liberation War, as Kangjie Middle School. There is a Kang Jie Memorial Hall in the school. The lyrics of the school song read: "Hold high the flag of Mao Zedong, step on the blood of Comrade Kang Jie-March forward!" In June 65438+1October 65438+April of the same year, the chairman wrote: "Comrade Jia died gloriously in the revolution and made great achievements, which will last forever!"