Piglet milk supplementing device

The utility model relates to the technical field of live pig breeding, in particular to a piglet milk supplementing device which comprises a milk storage device, a guide pipe, a milk drinking basin and a constant-temperature heating device. A mounting hole is formed in the milk drinking basin, a nipple is mounted on the mounting hole, and the milk drinking basin is mounted on the constant-temperature heating device; the constant-temperature heating device is provided with a metal guide pipe, a connector is formed in the side wall of the constant-temperature heating device, one end of the metal guide pipe is connected with a mounting hole in the milk drinking basin and connected with the nipple, and the other end of the metal guide pipe is connected with the guide pipe through the connector in the side wall; the conduit is connected with the milk storage device. The constant-temperature heating device operates to heat the heat-conducting liquid to a set temperature and keep the constant temperature, and meanwh