The invention discloses an auxiliary contact terminal group. The auxiliary contact terminal group comprises a shell, a support and a circuit board, wherein the circuit board is arranged in the shell, the circuit board is provided with at least one pair of connecting terminals, the support is matched with the shell in a sliding manner, each pair of connecting terminals is connected by virtue of a reed pipe, and the support is provided with a permanent magnet for controlling the connection and disconnection of the reed pipe when the support slides. The auxiliary contact terminal group is simple and reasonable in structure and capable of effectively receiving a weak electric signal.