Holding a humanitarian event is how non-profit organizations get to know the general public and the target audience through their activities and attract new donors and volunteers. For many non-profit organizations, the organization of humanitarian events plays a crucial role in collecting financial and other resources necessary for the organization's projects. Events are certainly one of the more creative ways associations present themselves to the public. However, their organization requires organized work and the involvement of a more significant number of stakeholders. For a humanitarian event to be successful, it is necessary to thoroughly plan and organize cooperation among key stakeholders, association members, and volunteers and ensure specific financial support. The association "Mi" has been dedicated to organizing humanitarian events since its beginnings. Among the more successful humanitarian events organized by the "Mi" Association for many years, the Days of Volunteering event stands out. Through the Days of Volunteering, the association "Mi" manages to collect numerous donations, involve additional volunteers, attract numerous visitors, and animate associations to participate in the event. Through the organization of humanitarian events, the association, first of all, presents its purpose of existence and its goals. Based on the planning of a humanitarian event, the completeness and complexity of such an organization are presented. In the example of a humanitarian event organization, the author showed its completeness and complexity. Among other things, numerous positive aspects of holding such events and the existence of such associations in society, especially among its most vulnerable groups, were highlighted.