1. Smell: the genuine product smells bad, but the fake product doesn't.
2. Soaking in water: the genuine product has a cool feeling, but the fake product does not.
3. Look at the weight: it's really heavy, it's heavy to pick up, and it's fake.
4. Look at the texture: the genuine product has a corner line, but the fake product does not. Every bead has the same lines and spots, and they are all fakes.
The above methods can only be used as a reference, and it is recommended to find a professional to identify them.