This paper has announced a connection cable of air cannon, its characterized in that, and including the branching cable of Y style of calligraphy, the branching cable is equipped with the input be connected with data packet and two and connects the transformer of air cannon and the output of solenoid valve respectively. The utility model relates to a sea exploration field provides one kind and canavoid wearing and tearing transition trachea and leak gas, and exempt from the to buckle connection cable of air cannon of installation.