The same product with the same specification corresponds to the same barcode. Different specifications of the same product correspond to different barcodes.

So, in a pack of cigarettes, the barcode of each pack of cigarettes is the same. Because they belong to "the same product with the same specifications." The bar code of a whole carton of cigarettes is different from the bar code of each pack of cigarettes inside, because they belong to the "same kind of product, different specifications."

Generally speaking, cigarettes bought in large shopping malls, supermarket chains, and tobacco company stores are reliable.

Extended information:

"Cigarette Barcode Usage Rules (Trial)":

1. Management and use of cigarette barcodes

1 The carton packaging, carton packaging and small box packaging of domestically produced cigarettes (including domestically sold and exported cigarettes) must be printed (or pasted, etc.) with barcode identification that meets the requirements and meet the uniqueness, stability and legibility requirements.

In line with the principle of one product, one code, cigarettes of different brands, specifications, colors, prices, and packaging forms must be coded separately, and no duplicate codes are allowed. Cigarette boxes, strips and boxes must be coded separately.

2. In order to ensure the effective management and real-time maintenance of cigarette barcodes, each provincial industrial company or provincial bureau (company) and each cigarette production enterprise must have a dedicated person (or part-time personnel) responsible for managing cigarette barcodes , and be registered with the relevant competent departments of the National Bureau.

If the cigarette barcode management personnel need to be adjusted for some reason, their unit must determine the new cigarette barcode management personnel before the personnel is transferred and complete the handover work, and then report to the relevant competent authorities of the National Bureau for filing.

3. Cigarette barcodes are managed uniformly and maintained in real time by the department or institution designated by the National Administration (hereinafter referred to as the "Cigarette Barcode Maintenance Agency"). All barcodes for domestic sales, exports, foreign brand processing and imported cigarettes must be registered with the cigarette barcode maintenance agency.

4. The national bureau authorizes provincial industrial companies and provincial bureaus (companies) to be responsible for the supervision of cigarette bar codes. 5. Cigarette barcodes that have been used (including barcodes for discontinued cigarettes) must be preserved as historical data and must not be reused.

Hexun.com - The inner and outer barcodes of a cigarette are inconsistent. Is it a fake cigarette?

Baidu Encyclopedia-Cigarette Barcode Usage Rules (Trial)