The invention provides an aluminum electrolytic capacitor low-voltage aluminum foil corrosion process, which comprises the following steps of S1, pretreatment, S2, electrolytic cell hole distribution,S3, intermediate treatment, S4, electrolytic cell deep hole, S5, chemical cleaning, S6, post-treatment, S7, blow-drying, S8, drying, and S9, annealing. In order to overcome the defects in the prior art, the invention provides the low-voltage aluminum foil corrosion process for the aluminum electrolytic capacitor, wherein the process is proper in process condition and reasonable in corrosive liquid component proportion, so that the pore density is high and uniform.