In a murine acne model, the Bac@HA-ZMN treatment group showed a significantly smaller lesion area than the control group, and the immunohistochemical positive expression areas of the inflammatory factors IL-8, MMP-2, and TNF-α were reduced to 0.79%, 4.12%, and 2.14%, respectively, which was caused by the inhibitory effect of Bac on <i>P. Here, MMP2 is linked to acne.