The utility model provides a kind of container spreader unit of automatic linkage control, it includes: single edge track, two first hoisting car components respectively installed in the two ends of the single edge track, linkage component that links two first hoisting car components, driving piece that drives the linkage component, and reset piece that drives the reset of the linkage component;Each first hoisting car component includes: lock head piece, the two corners of the one side of the top of container are equipped with top corner piece, two lock head pieces are respectively inserted into corresponding two top corner pieces;The driving piece drives the linkage component to drive two lock head pieces rotate simultaneously, the linkage piece drives the reset piece stretch, two lock head pieces are unlocked relative to its corresponding top corner piece;The reset of driving piece, the reset piece resets driving the linkage component to drive two lock head pieces rotate reset, two lock head pieces are kept locked relative to its corresponding top corner piece.
