Electronic ear tag

The utility model relates to the technical field of veterinary appliances, and particularly discloses an electronic ear tag, which comprises a male tag and a female tag, the female tag comprises a female tag disc, the female tag disc is provided with an insertion hole for embedding the male tag, and the insertion hole is provided with a buckle for fixing the male tag in the female tag. A blocking piece used for preventing the male tag from puncturing the ears of the livestock is arranged on the side, away from the buckle, in the inserting hole, and a groove used for installing an electronic chip is further formed in the female tag disc. The male tag comprises a male tag disc and a male tag neck connected with the male tag disc, a male tag clamping head is arranged at the top end of the male tag neck, the diameter of the male tag clamping head is larger than that of a through hole formed by the buckle and the inserting hole, a male tag nail used for penetrating through the ear of the livestock is installed on