1. packaging: the genuine packaging should contain information such as trademark, production date and shelf life, and there are no obvious defects. The packaging of fake goods may lack this information.

2. Taste: Authentic products must have a unique taste, and it tastes no different from ordinary mineral water. Fake goods may taste different from ordinary mineral water.

3. Water quality: Authentic water quality is clear and transparent, colorless and tasteless. Fake goods may have an odor or an abnormal color.

4. Price: the genuine price is higher.

5. Purchase channel: It is recommended to buy in regular supermarkets and convenience stores, avoiding roadside stalls and small shops.

6. Anti-counterfeiting QR code: scanning the anti-counterfeiting QR code on pocari Khan packaging can verify the authenticity.

7. Compare with the information provided by pocari sweat in official website: You can upload photos of purchased products and compare them with the information provided by pocari sweat in official website to verify the authenticity.

Considering the above factors comprehensively, if it is still uncertain, it is recommended to consult the official or relevant departments.