The invention provides a double-channel coded lock which is simple in structure, reliable in transmission and convenient to install. The double-channel coded lock comprises a shell. A coded lock set, a key lock set, a switch button, a lock hook and a lock buckle are arranged on the shell. The coded lock set comprises character wheels, cams, a lock rod and a code adjusting switch; the key lock set comprises a key lock cylinder, the switch button is matched with the lock rod, the lock hook is rotationally hinged to the shell, a restoring spring is connected to the lock hook, and provides restoring force for allowing the lock hook to restore to be in locking cooperation with the lock buckle, a pushing stopping rod is arranged at one end of the lock hook, a pressing stopping rod is arranged at the other end of the lock hook, and a slant table face is arranged at the lower end of the key lock cylinder and rotates, lifts and transits to the highest point of the upper end from the lowest point of the lower end in the rotating circumference direction of the key lock cylinder; the pushing stopping rod is matched with the lock rod, moves left and right along with the lock rod and drives the lock hook to overturn left and right; the pressing stopping rod is matched with the slant table face, and rotates back and forth from the lowest point to the highest point along with the slant table face, and the slant table face is matched with the pressing stopping rod to drive the lock hook to overturn left and right.