High-frequency RFID bottle cap

The utility model discloses a high-frequency RFID bottle cap which comprises a bottle cap body, a sealing cap and a high-frequency label, a threaded hole is formed in the bottom of the bottle cap body, an extending brim is arranged at the top of the bottle cap body, a label groove is formed in the upper end face of the extending brim, and the high-frequency label is pasted to the upper end face of the bottom of the label groove through adhesive sticker. The lower end face of the bottom of the sealing cover is provided with a cushioning pad, the sealing cover is inserted into the label groove and installed at the upper end of the bottle cap body, the center of the upper end face of the bottom of the label groove is provided with a positioning column, and the center of the high-frequency label is provided with a positioning hole. Therefore, the high-frequency tag is convenient to install, the bottle cap body can be conveniently grabbed while the production cost is reduced, the high-frequency tag is extruded and