To use a name tag, you first need to rename the name tag through an anvil, and then right-click the creature you want to rename with the renamed name tag. Name tags can be found in dungeons or accidentally obtained while fishing. Nametags cannot be crafted.
Guide to naming creatures with name tags in the mobile game Minecraft: You can prepare a name tag, name the name tag in the anvil, and just click on the animal with the named name tag to name it. Using a name tag requires an anvil, which is crafted from three iron blocks and four iron ingots.
For example, when naming a horse, the player must first ride on the horse, and villagers cannot use naming tags to name them. Creatures named by a nametag are not deleted from the world, similar to tamed animals.
To use a name tag to name a creature, you must first rename the name tag in the anvil. (It takes 5 levels of experience points) The player can then directly right-click any creature with the name tag to change the name of the name tag to the name of the creature.