Bottle cap and container with same

The utility model discloses a bottle cap and a container with the bottle cap. The bottle cap comprises a cap body. The puncture part is arranged at the top of the cover body; the indentation part is arranged at the joint of the puncture part and the cover body, so that the puncture part is in sealing fit with the cover body, the indentation part at least comprises two indentations, one indentation surrounds the other indentation adjacent to the indentation, and the distance between each indentation and the top of the cover body is sequentially reduced in the direction from the edge of the cover body to the edge of the puncture part. The puncture part is arranged on the cover body, and the cover body and the puncture part are connected through the indentation part, so that the puncture part can be punctured through external force, the contact area between liquid in the container body and air is reduced, and pollution is reduced. And the inner circumferences of the indentations gradually change and are staggere