2. Candy shape: The candy shape of real Ren Xiaolong candy will be clearer, with bright colors and obvious patterns on the surface. Fake Ren Xiaolong candy is usually irregular in shape, dull in color and without obvious patterns on the surface.
3. Taste: The real Ren Xiaolong candy tastes crisp, melts in the mouth and has no peculiar smell. Fake Ren Xiaolong candy will taste hard and have a smell.
4. Barcode: On the packaging box, Ren Xiaolong candy usually has a string of bar codes, which can be verified by scanning the bar codes. You can scan the bar code with the bar code scanning software on your mobile phone. If the scanned information is consistent with the real Xiaolong candy information, it can basically be confirmed to be genuine.