An loT smart clip, comprising a moving component, a limiting structure cooperating with the moving component, a controlling component, an upper body and a lower body, wherein the proximal end of the upper body is rotatably connected to the proximal end of the lower body, such that the upper side of the upper body and the upper side of the lower body can be close to or separated from each other; an enclosed accommodating chamber is provided on the lower side of the lower body; the controlling component and the moving component are accommodated in the accommodating chamber; a protrusion is arranged at a position, corresponding to a baffle cavity, on the upper side of the upper body; a limiting structure is arranged on the protrusion, such that the protrusion can be inserted into the baffle cavity from the opening in the upper side of the baffle cavity when the upper side of the upper body and the upper side of the lower body are close to each other; the moving component comprises a moving component body provided with an inner cavity, and a driving mechanism; a first connecting plate and a second connecting plate which are connected via a spring are arranged in the inner cavity along a movement direction of the moving component; the outer end of the first connecting plate is provided with a plunger; the plunger is capable of cooperating with the limiting structure under a spring force to lock the smart clip, and the first connecting plate, the spring, the second connecting plate and the plunger are capable of moving away from the limiting structure under the driving of the driving mechanism to unlock the smart clip, and of moving close to the limiting structure under the driving of the driving mechanism, such that the first connecting plate, the spring, the second connecting plate and the plunger are capable of restoring to original positions and the plunger and the limiting structure cooperate with each other under the spring force to lock the smart clip, characterized in that the second connecting plate is connected with the driving mechanism; and in that the smart clip comprises a body; a flexible limiting structure storage roller and a flexible limiting structure are arranged at one end of the body; a fixing device which cooperates with the flexible limiting structure is arranged on the upper surface of the body; the body is provided with the enclosed accommodating chamber; the accommodating chamber is used for accommodating the controlling component and the moving component; one end, away from the flexible limiting structure storage roller, of the accommodating chamber is provided with the baffle cavity; a first opening and a second opening are correspondingly formed in the upper side and the lower side of the baffle cavity; the plunger is capable of moving in a direction away from or close to the outer end of the baffle cavity under the driving of the driving mechanism; one end of the flexible limiting structure is capable of sequentially passing through the first opening and the second opening, and the moving component is capable of supporting the flexible limiting structure against the inner wall of the baffle cavity to realize locking. characterized in that the second connecting plate is connected with the driving mechanism; and in that the smart clip comprises a body; a flexible limiting structure storage roller and a flexible limiting structure are arranged at one end of the body; a fixing device which cooperates with the flexible limiting structure is arranged on the upper surface of the body; the body is provided with the enclosed accommodating chamber; the accommodating chamber is used for accommodating the controlling component and the moving component; one end, away from the flexible limiting structure storage roller, of the accommodating chamber is provided with the baffle cavity; a first opening and a second opening are correspondingly formed in the upper side and the lower side of the baffle cavity; the plunger is capable of moving in a direction away from or close to the outer end of the baffle cavity under the driving of the driving mechanism; one end of the flexible limiting structure is capable of sequentially passing through the first opening and the second opening, and the moving component is capable of supporting the flexible limiting structure against the inner wall of the baffle cavity to realize locking.