1. The cigarette certificate level held by retail merchants is directly reflected in the cigarette certificate. For example, the combination of two letters, such as C, X, Z and S, followed by a number, indicates the level of the cigarette certificate.

2. The letters of tobacco license grade indicate seven forms, specifically Z grocery store, S supermarket, B convenience store, Y tobacco and liquor store, F entertainment service and shopping mall, and others.

3. And C stands for town and X stands for country. For example, XZ3 represents the tertiary customers of rural grocery stores, and CZ 12 represents the large secondary customers of urban grocery stores.

4. The higher the tobacco license level, the more kinds and quantities of cigarettes can be reserved. Grass-roots retailers must abide by laws and regulations, obey management, improve cigarette structure and sales, and make more task cigarettes if they want to upgrade the tobacco license level.