Recent advancements in hierarchical multi-label classification have underscored the significance of the second stage in the classification process. Researchers have focused on integrating individual classifiers to enhance overall classification performance while preserving the hierarchical structure. This approach has been shown to improve results, reflecting a growing interest in refining hierarchical multi-label classification methods. The integration of classifiers not only boosts accuracy but also maintains the integrity of the hierarchical relationships among labels. Such developments highlight the evolving landscape of research in this domain, emphasizing the potential for more sophisticated and effective classification systems. As the field progresses, these improvements are likely to contribute to broader applications and deeper understanding of hierarchical multi-label classification challenges.