A composite brazing aluminum foil material for an automobile radiator and a method for producing the material, the core layer of which is composed of: 0.5-0.8% of silicon, 0.20-0.30% of iron, 0.30-0.40% of copper, 1.0-1.8% of manganese, and 0.005-0.005% of chromium 0.035%, titanium 0.12-0.20%, the rest is aluminum. The production method is characterized in that: After melting the industrial pure aluminum ingot (Al99.70A) for remelting, add iron, copper, manganese, chromium and titanium in the above ratio, heat to 740°C-760°C, stir , to make the composition uniform, let stand after removing slag, cast at 720°C ~ 740°C, and then cast into an ingot. Aluminum-silicon type brazing material (AA4343 or AA4045 alloy), heated to 520°C-540°C after being fixed, kept for 10 hours, and then hot-rolled to obtain hot-rolled coils, which were then cold-rolled.