The authentic and fake method of Luzhou Laojiao Tequ 52 Degree is through the concave and convex feeling of the trademark. There are three steps in total:

1. On the back of the box, real wine has an obvious convex and concave feel.

2. The Luzhou Laojiao trademark on the box also has a bumpy feel to the real wine, but not to the fake one.

3. Look at the rivets on the box. The rivets on the real wine are thick and clear, while those on the fake wine are thin and have poor workmanship. The details are shown in the figure below: