(1) Check whether the ear tag pliers and the ear tag pins on the ear tag pliers are in good condition to ensure normal use;

(2) In the state that the ear tag plier is fully opened, the male and female markers are completely fixed on the ear tag pliers (the decorative studs of the male mark are completely inserted into the ear tag nails), and the female mark is completely placed directly below the pliers;

(3) Test the closure first to confirm that the opposite parts of the male and female standards reach a straight line;

(4) Wearing the ear tag position (between the left and right ear bones at the intersection of 2/3 from the tip of the ear and 1/3 from the upper edge of the ear)

(5) When wearing the ear tag, please nail the public mark from the back of the animal's ear;

(6) When determining the marking position, quickly close the ear tag pliers, confirm that the male and female tags are closed and quickly release the ear tag pliers, if the ear tag pliers do not pop open, you can use hand assistance to pop open;

(7) After wearing the ear tag, you can use your hand to pull the wider side of the female tag to the direction towards the ground to confirm the gap between the male and female tags (not too tightly clamped to cause deformation or necrosis of the ear bones) causing the ear tag to fall off;

(8) If there is a phenomenon that the hair is too long to cover the ear tag, the hair at the ear tag position should be cut short before the ear tag is applied, so as to facilitate reading the information on the ear tag.