1. Unpack the cigarette case and study the trademark of the cigarette carefully. The cigarette is genuine, the trademark handwriting is clearly printed, the logo of the strip and the bag are exactly the same, and the trademark of the fake cigarette is also rough, and the font is very small or fuzzy.

2. The last digit of the first line of code is "86", and more than "50" means fake cigarettes. There are two rows of digital codes on the whole cigarette packaging strip. The last two digits of the first line of code cannot exceed 50. Once it exceeds 50, it means 100% counterfeit cigarettes. "A box of cigarettes is up to 50 cigarettes, and more than 50 cigarettes are fake cigarettes. The last four digits of the second line of code are related to. You can ask the shopkeeper to take a few more varieties to see if they are the same size and distinguish between true and false. " In addition, the packaging boxes of single packs of cigarettes are all mass-produced by machines, and the glue on the machines is all dot-shaped glue spots. The glue spots on both sides of the cigarette case are even and regular, and the fake cigarettes are mostly brushed with glue, so the whole piece is closely attached and difficult to uncover.

3. Take out a cigarette, then Bai Wan it like this and fold it in half. Real cigarettes are not easy to break after being folded in half like this, while fake cigarettes break when they are folded. This is the most direct way to distinguish between true and false cigarettes.

4. The mouth flowers of cigarettes are generally printed with the same manufacturer's name as strips and boxes, and the width is the same. The joint is a combination of two thin strips, which is easy to open and will not break. The mouth flower of fake cigarettes is different from the manufacturer's name on the strip and box, and the width is also different. The flower seal is glued or pasted, which is not easy to open.

5. The cigarette joint is full and there is no air leakage. Generally, fake cigarettes have no filter paper, and the joints are loose and easy to leak.

6. The cigarette has pure fragrance, appropriate intensity, little irritation and comfortable aftertaste. After ignition, it does not automatically extinguish, and the ash is gray and not easy to scatter. Fake tobacco leaves generally do not ferment, and the throat feels spicy and the aftertaste is uncomfortable. After ignition, it is easy to extinguish, the ash is grayish black, and the ash explodes outward and is easy to fall.