1. Looking at the appearance of Lan Zhi Reservoir Hu, the genuine right angle has hardness, smooth surface and good texture; Fake goods have soft texture, smooth surface and poor texture.

2. Look at the Hu nozzle in the bottle. The genuine nozzle has a protruding part as shown in the figure, and there is a partition button, but the fake one does not.

3. Careful observation of the font on the bottle shows that the font on the genuine bottle is obviously black and thin, while the font on the fake bottle is gray and thick.

4, the product code, genuine coarse ink jet printing, and the font is thick. However, fakes are ink-jet printed with fine fonts.

5, bottle cap buckle point, genuine bottle cap buckle point is three-dimensional, oval, fake is inverted triangle, not three-dimensional.

6. Look at the bottom of the bottle in Lan Zhi Reservoir. There is a round hole at the bottom of the genuine bottle which is similar to a tubular body and leads to the bottom, but there is no fake one.