Storable electrocardio lead wire

The utility model discloses a storable electrocardio lead wire which comprises a barrel and a main cable, the main cable penetrates through and is slidably connected with the interior of the barrel, and branch lead wires are arranged at the right ends of the main cable; a threaded rod is rotationally connected to the upper portion of the interior of the barrel, a fixed rod is fixedly connected to the lower portion of the interior of the barrel, the outer side of the threaded rod and the outer side of the fixed rod are each sleeved with a sleeve block, and movable blocks are fixed to the opposite faces of the two sleeve blocks; the ends, away from the main cable, of the multiple branch lead wires all penetrate through the interior of the movable block. According to the storable electrocardiograph lead wire, by rotating the transmission rod, the multiple branch lead wires can be driven to stretch out of the cylinder or retract into the cylinder at the same time, storage of the multiple branch lead wires is achi