Efficient and convenient ear tag device

The utility model discloses an efficient and convenient ear tag device, and relates to the technical field of ear tag devices. Comprising an upper pressing plate and a lower pressing plate, handles are arranged at one ends of the upper pressing plate and the lower pressing plate, a first spring is connected between the upper pressing plate and the lower pressing plate, a storage cavity is formed in the upper pressing plate and rotationally connected with a sealing door, an ejector rod penetrates through the storage cavity, and a second spring is connected between the ejector rod and the outer wall of the storage cavity; an ear tag nail located in the storage cavity abuts against the ejector rod, the ear tag nail is slidably connected into the storage cavity, an air cylinder is further arranged on the upper surface of the storage cavity, a first nail outlet is formed in the upper pressing plate, two baffles are rotationally connected into the first nail outlet, and a torsional spring is connected between each