Porous asphalt pavement gap recovery method

The invention discloses a porous asphalt pavement gap recovery method, and particularly relates to the technical field of pavement cleaning, and the porous asphalt pavement gap recovery method comprises the following specific steps: step 1, primarily cleaning a pavement needing to be repaired through a cleaning vehicle; and 2, a dust collector is used for conducting dust collection treatment on the primarily-cleaned road surface, and therefore impurities on the road surface are removed. According to the invention, the active agent is added into the cleaning liquid; therefore, the activity among the ingredients in the cleaning fluid is effectively improved; therefore, the preparation time of the cleaning liquid is greatly shortened; the asparagus fern is added; plant aroma contained in asparagus setaceus has antibacterial components and can remove bacteria and viruses in air, so that the road surface cleaning efficiency is improved, before road surface cleaning, a cleaning vehicle or abroom is used for cleanin