End socket for preventing layering of soft package lithium ion battery

The utility model discloses an end socket for preventing a soft package lithium ion battery from layering. The end socket comprises a first end socket and a second end socket which can do relative opening and closing movement along a Z direction, the first end socket is provided with a first opposite end face right opposite to the second end socket, the second end socket is provided with a second opposite end face right opposite to the first opposite end face, the first opposite end face is a flat end face, and limiting bosses with the same extension size extend from the two opposite sides, separated in the X direction, of the second opposite end face in the Z direction close to the first opposite end face. The limiting boss protrudes out of the second opposite end face and defines a positioning cavity together with the second opposite end face. The second end socket is further provided with a receding groove which penetrates through the second opposite end face in the Z direction close to the first opposite