1. Look at the trademark printing process of the cigarette box packaging, especially the four words "Classic Double Happiness". The strokes of real cigarettes are clear and the fonts are thicker; while the strokes of fake cigarettes are blurred and the fonts are thin.

2. Look at the holographic anti-counterfeiting logo at the bottom. The pattern of the anti-counterfeiting logo on real cigarettes is clear. The color and pattern change when the angle is changed, and the color is saturated. However, the anti-counterfeiting logo on fake cigarettes has a dim color no matter how the angle is changed. ,single.

3. Look at the words "SHUANGXI" on the top of the cigarette box. The letters "SHUANGXI" of genuine Double Happiness hard classic cigarettes are brightly gilded and have a distinct concave and convex feel. Moreover, the shape of the adhesive at the seal is regular, while the letters "SHUANGXI" on fake cigarettes are gilded and dull, and the concave and convex feeling is not obvious. Moreover, there are obvious traces of manual pasting on the seal, and the bonding shape is irregular.

4. Look at the inner foil of the cigarette pack. The inner foil of real cigarettes is specially made; while the inner foil of fake cigarettes is white and is ordinary paper with fluorescent agent added.

5 Look at the burning speed of the cigarette and whether it explodes ash. The genuine Double Happiness Hard Classic cigarette burns faster and has no ash explosion; while the fake cigarette burns slightly slower and has obvious ash explosion. In addition, it can also be distinguished by characteristics such as smoke and taste.