There is a stall in the hutong of Shenyang Road Antique Market in Heping District, Tianjin. 1. Many fake Marlboros have their own trademark printing patterns, which are not available in real cigarettes. 2. There is an indentation of the ring box at 5mm or 2mm at the lower end of the aluminum paper pull-out of the hard box, but there is no indentation on the aluminum paper of the fake cigarette. 3. The pattern edges of real cigarette boxes and small boxes and the edges of English letters are zigzag. Fake cigarettes have jagged edges of letters and patterns. The pull wire head of the real cigarette box is semicircular; The fake cigarette has a slight burr and is linear, and the cable head is not standardized. 4. There is an indentation of a ring box at 5mm or 2mm at the lower end of the aluminum paper pull-mouth; Fake cigarettes have no indentation. The cigarettes of real cigarettes are arranged as 7, 7 and 6; The cigarettes of fake cigarettes are arranged as 7, 6 and 7. 5. The glue mark at the end of the real cigarette box is one line and one point, and the glue mark around the small box is an 8mm wide five-point dot matrix glue mark, and the aluminum paper is an 8mm wide five-point dot matrix glue mark before and after adhesion with the small box; The fake cigarettes are one-point, and the strips and small boxes have traces of secondary sealing or manual sealing, showing irregular sheets; The soft box Marlboro box is glued and sealed as a three-stage glue mark; The fake cigarette is a linear one-stage glue mark. It is worth noting that the hard box Marlboro produced in Shanghai is produced by FOCKE machine, and its sealing characteristics are different from the above: the small box is sealed with three glue lines on the left and right, and there is no indentation at the lower end of the aluminum paper pull. 6. There is laser drilling in the middle of the genuine cigarette filter for one week, and the light taste is two weeks. Laser-free drilling of fake cigarettes. 7. Thin slice technology is used in real tobacco shreds, and expanded tobacco shreds can be separated by acetone (imported cigarettes generally have expanded tobacco shreds). There are no flakes or expanded tobacco shreds in the fake tobacco shreds. 8. The bottom of the soft box Marlboro cigarette box has a heat-sensitive anti-counterfeiting mark, six small squares turn brown when heated, and some two small squares turn brown when heated. Fake cigarettes have no heat-sensitive anti-counterfeiting, or the heat-sensitive anti-counterfeiting box at the bottom of the box does not change color after heating.