A corrosion-proof brass band for plate heat exchanger and its production are both disclosed herewith. It contains (wt%): Cn 76-79, Al 1.0-3.5, Ni 0.3-1.5, B 0.002-0.015, As 0.01-0.1, Ce 0.05-0.2, and balanced with Zn, and with impurity not more than 0.3. It is produced by: weighing, smelting, casting, hot rolling, end-surface milling, primary rolling, inter-annealing, cold rolling, inter-annealing, edge cutting, pre-rolling, inter-rolling, fine rolling, final annealing, surface treating, cutting, and packing. It is of size (0.4-8.5mm)X(300-1000mm)X(500-3000mm), performance of Rm not less than 410MPa, A11.3 not less than 40%, Hv1 not less than 90, grain 0.010-0.030mm, and Ra larger than 0.2um without scratches.