Metal plug-in button capable of intelligently identifying connection state

The utility model discloses a metal buckle capable of intelligently identifying a connection state, which relates to the technical field of metal buckles and comprises a secondary block, a primary buckle is arranged on one side of the secondary block, secondary buckles are twisted at two ends of one side of the secondary block close to the primary buckle, the secondary buckles are inserted in the primary buckle, and buckling grooves are formed in two sides of the interior of one end of the primary buckle far away from the secondary block in a penetrating manner. The ends, away from the child blocks, of the child buckles are communicated with the buckle grooves in a penetrating mode, arc-shaped plates are fixed to the ends, located in the mother buckle and away from the child blocks, of the child buckles, and first induction pieces are arranged on the sides, close to the inner side wall of the mother buckle, of the arc-shaped plates. The first induction piece on the side wall of the arc-shaped plate can be att