Disposable antifake bottle plug

The utility model relates to a disposable anti-counterfeiting bottle plug which is a bottle plug for bottles. The disposable anti-counterfeiting bottle plug is particularly suitable for being used as the inner plug for the packaging bottles of high-grade goods such as the alcohol, etc. The utility model comprises a casing, two inner cores of symmetrical structure and a set of buckling mechanism; through holes are symmetrically arranged on the middle section of the casing, the upper mouth of the through holes is open, and the lower mouth is closed; the external size and the shape of the two aligned inner cores correspond to the size and the shape of the inner cavity of the casing, a slide groove is arranged on the inner cores from the top to the bottom, and an open cavity for placing the buckling mechanism is arranged on the aligned inner cores; the buckling mechanism is composed of a pair of S-shaped buckles, a crossed snib with teeth, a pair of non-return reeds and an opening and closing clamp. The utility model has good anti-counterfeiting effect. When the locking function is lost, the utility model can be used as an ordinary bottle plug.