Anti-corrosion printed circuit board

The utility model discloses an anti-corrosion printed circuit board, which comprises a first circuit board and a second circuit board, and the surfaces of the first circuit board and the second circuit board are respectively coated with an insulating protective layer. The first circuit board and the second circuit board are spliced through a splicing mechanism, the splicing mechanism comprises grooves formed in the ends of the first circuit board and the second circuit board, splicing heads are clamped in the grooves, and the two ends of each splicing head are each provided with two spring telescopic rods; the first circuit board and the second circuit board are both provided with limiting holes which are communicated with the groove and are in matched insertion connection with the two spring telescopic rods. According to the utility model, the first circuit board and the second circuit board can be spliced by stretching the spring telescopic rods into the limiting holes in the grooves in the first circuit bo