Electrolytic zinc cathode board of zinc ammonia complex

The utility model discloses an electrolytic zinc cathode board of a zinc ammonia complex, which comprises a cathode piece (1), two conducting rods (2) and two conducting clamping boards (3), wherein the two conducting rods (2) are respectively and fixedly arranged at two sides of the upper end of the cathode piece (1) by a plurality of bolts (22), the same ends of the two conducting rods (2) are further and respectively welded with the two conducting clamping boards (3), and a transition plate (4) is clamped between the two conducting rods (2) at two sides of the two conducting clamping boards (3); the regions of the surfaces of the two conducting rods (2) and the surface from the top end of the cathode piece (1) to the lower sections of conducting rods (2) are coated with an ethoxyline resin cement gum layer; and the cathode piece (1) is made from the titanium, and the two conducting rods (2), the two conducting clamping boards (3) and the transition plate (4) are made from copper. The electrolytic zinc cath