2, antler antler slices edge keratinization degree is high, and even there will be tooth-like protrusion, while the authentic degree of horny piece is low, are not protruding.

3, the periphery of the bone piece is white, the center burnt yellow, while the real product will not have a white periphery.

4. The holes in the bone fragments are large and ruptured, and some of the holes are filled with black-brown color.

5, you can use the water test method to identify the authenticity of the real product into the water is not deformed, heating and stirring is not broken, boiling is not soft and not paste.