Puncturing-free bottle stopper

The utility model discloses a puncturing-free bottle stopper which comprises an upper stopper, a lower stopper, and an injecting-sucking port of an injector or an infusion set, wherein, the injecting-sucking port of the injector or the infusion set is formed between the upper stopper and the lower stopper. The puncturing-free bottle stopper has the advantages that the sealing effects of the rubber stoppers and rubber felt can be guaranteed; meanwhile, when the puncturing-free bottle stopper is in use, after the upper stopper is removed, the injector or the infusion set can be directly connected to the injecting-sucking port of the injector or the infusion set, the puncturing is avoided, dropping chips cannot be produced due to the puncturing, and the medication safety is increased.