Soil pollution by organic contaminants like phthalates (PAEs) significantly impacts root-associated microbial community and soil health. However, the rhizosphere effects of different vegetable cultivars on root-associated bacterial communities and their effects on PAE degradation in rhizosphere are not well uncovered. Here, two cultivars (i.e., Huaguan and Lvbao) of vegetable Brassica parachinensis significantly enhanced the dissipation of di-(2-ethylhexyl) phthalate (DEHP) in rhizosphere (higher by 23.9 % - 86.8 % compared with bulk soil). PERMANOVA tests demonstrated that the bacterial community structure was significantly impacted by niche variation and DEHP pollution, but not by vegetable genotypes, with significant gradient divergences along bulk soil to (far-) rhizosphere to rhizoplane. Niche variation and DEHP pollution also remarkably influenced the ecological networks of bacterial communities in soil-root continuum with high proportions of positive microbial interaction. Furthermore, rhizosphere and DEHP pollution significantly enriched PAE-degrading functions and bacteria (e.g., Aeromicrobium and TM7a, as keystone taxa), which is beneficial for enhancing DEHP degradation. Meanwhile, metagenomic binning identified various bacterial families such as Chitinophagaceae and Nocardioidaceae capable of degrading PAEs in rhizosphere, which may play important roles in PAE biodegradation through cooperation and co-metabolism. This study advances our understandings on the promotion of vegetables for PAE removal in rhizosphere and its related mechanisms.