Theftproof crown cap

The utility model provides a theftproof crown cap, closing cap in the bottleneck of a container, this theftproof crown cap includes: a lid to and build bridge a little and connect in the antitheft ring of this lid bottom through several fracture mouth and the several between this fracture mouth, this antitheft ring is located to a perpendicular dissected valley, and this perpendicular dissected valley has a starting point and a terminal point, and this starting point lies in this fracture mouth, and maybe this is below the bridging point, and this terminal point lies in this antitheft ring's base, through the aforesaid structure, rotatory this lid should be built bridge a little all by the twist -off, this lid and this antitheft ring clean separation, and this perpendicular dissected valley does not break off, and this antitheft ring is the closed loop and describes and lie in under this bottleneck. 种防盗金属盖，封盖于容器的瓶口；该防盗金属盖包括：盖体，以及通过数个开裂口及介于该开裂口之间的数个架桥点而连接于该盖体底端的防盗环；垂直切沟，设于该防盗环，该垂直切沟具有起点和终点，该起点位于该开裂口或该架桥点以下，该终点