In Jiaodong Anti-Japanese Base Area, due to the relatively stable political environment, as the core and mainstay of leading the masses in the war of resistance, Party building has also achieved fruitful results. After War of Resistance against Japanese Aggression's baptism, the young Jiaodong grew stronger and stronger, and gradually became a politically mature Marxist party.

Party organizations recovered early and developed rapidly, and there were a large number of party member. After the full-scale outbreak of War of Resistance against Japanese Aggression, the Jiaodong native party member returned to Jiaodong to resume the development of the Party organization. By the end of 1938, county committees had been established in Yexian, Penglai, Haiyang, Laiyang, Zhaoyuan, Qixia, Huangxian, Wendeng, wei county, Changyi, Zhucheng, etc. 1 1, and party organizations had been established in other counties. In 65438+February, the first party member Congress of CPC Jiaodong District was held in Yexian County, and the CPC Jiaodong District Committee was elected, which was the first district committee of Shandong Anti-Japanese Base Area.

At the beginning of the Anti-Japanese War, there was 1840 party member in Jiaodong. 1June, 939, in order to implement the Central Committee of the Communist Party of China's "Decision on Large-scale Development of party member", Jiaodong District Committee proposed "Large-scale Development of party member" and pointed out that it was necessary to "ensure the quality of party member". 1August, 939, the population of party member in Shandong Province has reached more than 50,000, and that of Jiaodong has reached12,200, accounting for 23.7% of the whole province. 1939 10 The Shandong Branch of the Communist Party of China issued the Opinions on the Work in Jiaodong, arguing that the Jiaodong Party Organization "has a good understanding of the Party, a strong organizational concept and a strong spirit of learning with an open mind". By the end of 1943, there were 4,985 party member1person in Jiaodong, accounting for 43.48% of the whole province, ranking first in Shandong's anti-Japanese base areas. With the increase of the number of party member, the grass-roots organizations of Jiaodong Party have developed rapidly. Especially since the second half of 1938, the grass-roots organizations of the party have flourished and spread all over the country. By the end of War of Resistance against Japanese Aggression on 1945, there were 63,064 party member, 702 grass-roots party branches and 384 grass-roots party committees in Jiaodong, and party member accounted for 3 1.5% of the total number of party member in Shandong anti-Japanese base area.

Party member has a good political quality and a high cultural level. According to the spirit of the Central Committee's decision on Party consolidation, from 1939 to 10, Jiaodong made a serious review of party member cadres within the whole party. By reorganizing the Party's organization, cleaning up the traitors, class dissidents and speculators who mixed into the Party, party member who made mistakes was educated, and the organizational life was adjusted, so that the quality of party member was greatly improved and the fighting capacity of the Party organization was greatly enhanced. At the same time, the Jiaodong District Committee of the Communist Party of China has also carried out branch education, and compiled an easy-to-understand party member textbook according to the actual situation. The Jiaodong District Committee of the Communist Party of China also established "inner-party education" (later changed to "struggle"), which effectively improved party member's theoretical accomplishment of Marxism-Leninism and political consciousness.

May 1942, 1 According to the instructions of the Central Committee on the rectification movement, the Jiaodong District Committee of the Communist Party of China asked the whole party in Jiaodong to respond enthusiastically to the call of the CPC Central Committee and carry out the rectification movement. "Through the rectification movement, the unified leadership of the Jiaodong Party and the unity of cadre party member were further strengthened, the bad style of work was overcome, the enthusiasm for study and work was improved, and activities such as joining the army and participating in the war, reducing rent and interest rates were effectively promoted."

At the same time, Jiaodong District Committee also paid special attention to uniting and absorbing intellectuals to join the Party's army. According to the Central Committee of the Communist Party of China's decision to recruit intellectuals, Party organizations at all levels in Jiaodong selected a large number of cadres from intellectuals, and hired many cadres from young students of Jiaodong Public School and Xihai Middle School and other progressive young intellectuals and professionals who came to Jiaodong from enemy-occupied areas. Great changes have taken place in the composition of cadres in Jiaodong Party Army. A large number of intellectuals have been enriched into the ranks of cadres, and their political and theoretical level, military quality and working ability have been greatly improved. By June 1940 and 10, more than half of the cadres had a high school education or above. According to the relevant materials from 1940 to the beginning of February, it is generally estimated that the proportion of intellectuals among cadres at all levels in Jiaodong anti-Japanese base area is as high as 70%, ranking second to none in Shandong anti-Japanese base area.