1. The Tesson anti-counterfeiting label is affixed to the side of the bottle cap. The letters "MT" will appear when illuminated by the identifier, and the letters will appear and disappear when moving the angle.

2. There is an electronic code anti-counterfeiting label on the top of the bottle cap. Consumers can call to inquire according to the prompts.

3. Use the inkjet code on the side of the bottle cap for identification, which consists of three lines of numbers, respectively indicating the date of manufacture, batch of manufacture, and bottle number.

4. Text message authenticity check function. Consumers can enter the 16-digit anti-counterfeiting number affixed to the anti-counterfeiting label on the top of the bottle cap through text messages on their mobile phones, and send it to 3315. Then they can reply to the text message received. Check the authenticity information of the Maotai you purchased.