High-performance steel bar corrosion inhibitor

The invention discloses a high-performance steel bar corrosion inhibitor, belonging to the technical field of building materials. The corrosion inhibitor is composed of the following components in percentage by mass: 0.2-0.4% of sodium molybdate, 0.2-0.4% of sodium citrate, 0.02-0.04% of thiocarbamide, 0.02-0.04% of neodymium sulfate and the balance of water. By compounding the anode corrosion inhibition component with the mixed corrosion inhibition component, the corrosion inhibitor has the advantages of high adsorptive power with steel bars, favorable adaptability to concrete and high corrosion resistance, can be directly incorporated into concrete, can form a compact protective film on the steel bar surface, does not influence the concrete performance, can perform the corrosion inhibition function on the steel bars, has the characteristics of high efficiency, no toxicity, no pollution and the like, is a high-performance steel bar corrosion inhibitor, and can be used for reinforced concrete structures in water conservancy, railways, civil buildings and the like.