Bottle cap and bottle applying same

The utility model relates to a bottle cap and a bottle applying the same, the bottle comprises a bottle body and the bottle cap, the bottle cap is screwed together through internal threads on the side wall of the bottle cap and external threads arranged on a bottle opening of the bottle body, the bottle cap is provided with a side wall of the bottle cap connected with the bottle opening in a matched mode, and at least one notch is concavely formed in the end face, facing the bottle opening, of the side wall of the bottle cap. A puncture part is formed at the bottom of the notch, and the sharp end of the puncture part is arranged towards the bottle opening. The bottle cap has the advantages that the bottle cap is arranged on the bottle to cover the bottle opening, when people prepare to drink beverages, the bottle cap is unscrewed, the puncture part is used for puncturing the sealing film of the bottle opening, use is very convenient, and tools do not need to be carried about or found all around. 本实用新型涉及一种瓶盖及其