The invention relates to a high-efficient inter-process water-based anti-rusting liquid which belongs to the technical field of chemical industry. The anti-rusting liquid comprises the following raw materials by parts by weight: 15-20 parts of glycerol, 3.5-16 parts of benzotriazole, 0.3-0.6 part of anhydrous sodium carbonate, 1.5-2 parts of poly(sodium metaphosphate), 0.1-1 part of sodium silicate, 1-1.5 parts of sodium benzoate, 0.5-10 parts of triethanolamine, 3-5 parts of hexamethylene tetramine and 57-79.5 parts of deionized water. The anti-rusting liquid has the following beneficial effects: (1) the anti-rusting liquid has excellent anti-rusting performance and corrosion inhibition, as well as long anti-rusting period up to 12 months; (2) The operation is simple, which can be sprayed, brushed and dipped, and the anti-rusting liquid can not produce adverse effects on the follow-up processes and is easy to remove by using water; (3) The universality is good and be applicable to inter-process anti-rusting when processing materials of ferrous metals and nonferrous metals; (4) The product has good safety and does not contain sodium nitrite and other carcinogenic substances, thereby being non-toxic and harmless.