Soft package lithium ion battery module

The utility model discloses a soft package lithium ion battery module which comprises a positive lug, a negative lug, a battery cell body, a buckle and a tray, and the tray is provided with a lug groove. A round hole for positioning is reserved in the top sealing area of the battery cell body, notches or protrusions for positioning are reserved on the positive electrode lug and the negative electrode lug, protrusions or notches for embedding the notches or the protrusions of the electrode lugs are reserved on the electrode lug grooves of the tray, the soft package lithium ion battery is placed in the tray, and the electrode lugs are embedded into the electrode lug grooves through the buckles and then connected with the electrode lug grooves in a buckled mode. The lithium ion battery module can ensure that the tabs are flush with the surfaces of the confluence sheets, is convenient to weld, is provided with a fastening structure, reduces bumping and loosening when the battery is used, and improves the performa