Auxiliary tool for welding communication device

The invention discloses an auxiliary tool for welding a communication device. The auxiliary tool comprises a base, a fixed seat, a first abutting piece and a rotating piece. The fixed seat is fixed with the base; the first abutting piece is rotationally connected with the fixing base. The number of the first abutting piece is at least one. The rotating piece can rotate relative to the fixed seat, the rotating piece is provided with at least one driving part, the driving parts are in one-to-one correspondence with the first abutting pieces, and the rotating piece rotates and enables the driving parts to drive the first abutting pieces to rotate relative to the fixed seat, so that the first abutting pieces abut against or loosen a cable of the communication device. Before reflow soldering operation, the communication device is placed on the base, the rotating piece is rotated to enable the first abutting piece to abut against the cable, so that the outer conductor of the cable is located at the welding position