The article deals with the description of activity of the Association of Fighting Youth (ZWM) in three aspects. Firstly, on the basis of reports sent in from the region and profiles of individual district chairmen of the association, it seeks to portray youth activists and examine references concerning criminal activity of the ZWM members which can be found in the literature on the subject. It turns out that the association members often perpetrated malpractices which affected the subsequent organisational activity. In some areas, negative opinions about youth activists remained even in the 50s of the 20th century. All phenomena related to the so-called “immoral conduct of members” also impinged on the nature of activities undertaken which to a large extent can be considered superficial. The second issue described in the article is the ZWM involvement in campaigns before the June referendum and in the elections of January 1947. The author examined the activity of district structures in this field, and submitted the findings of literature on the subject to his critical review. An important activity in this area was the participation of the ZWM members in the dissolution of the “Wici” Rural Youth Association supporting the Polish People’s Party. The article shows that the members of the Association of Fighting Youth actively supported the so-called Wici Democratisation Committee, using methods having little to do with democracy. The last issue discussed is the cooperation of ZWM with other organisations, such as the Polish Workers’ Party (PPR), Voluntary Citizens’ Militia Reserve (ORMO) and Youth Organisation of the Workers’ University Society (OMTUR). The article describes the financial and organisational dependence of ZWM structures on PPR, the participation of youth in the ORMO formations, and relations with the “fraternal” OMTUR organisation. The author mentions the fact that, despite the wishes expressed, the cooperation between PPR and its youth organisation was far from unequivocal sympathy. ZWM was an aggressive structure towards other youth organisations. It was focused on the dissolution of their structures and the “union” of Polish youth.