Climb the water outlet: after the bottle is inverted, the water outlet can quickly climb to the position of the bottle cap; The false blue of the sky and the blue of dreams will stay at the exit.

The cap and font on the bottle body: the cap of true blue sky and dream blue has clear sealing edge; The font pattern on the bottle is clear; False blue sky and blue dream, the sealing edge of the bottle cap is blurred, and the font pattern on the bottle body is unclear.

2. Smell and taste recognition

Smell wine with your nose. Sky blue and dream blue are really fresh, lasting and fruity. The fake blue sky and blue dream is weak in taste, neither sweet nor greasy, which is quite different from the real blue sky and blue dream in taste.

3. Identification of drinking taste

The true blue of the sky and the blue of dreams are clear and bright, fresh and sweet, soft in taste and smooth in wine taste; False blue sky and blue dreams will make you feel astringent, boring and tough.

4. Anti-counterfeiting identification

The authenticity can be verified by scanning the QR code of the anti-counterfeiting label, which can ensure that it will not be cheated by counterfeit products.