Disposable cigarette barrel

The utility model relates to a disposable cigarette barrel. End faces of one or two ends and corner parts formed among any three adjacent barrel faces of the utility model are provided with tearing parts formed by enclosing four tearing dash lines which are connected from the head to the tail orderly, and the tearing dash lines are respectively distributed on the four faces. Tearing dash lines in connection orderly from the head to the tail are arranged on the end faces and among any three adjacent barrel faces of the utility model. When unwrapped, the utility model is torn through tearing gaps on the tearing dash lines on the barrel faces, and the tearing corner part of a site enclosed by the four tearing dash lines is torn off so that a cigarette case in the utility model is revealed. The utility model is easy to unwrapped and convenient for taking out a cigarette case; additionally, only one corner of the utility model is opened in the unwrapping method, and the utility model has the orderly and beautiful appearance for placement. The utility model also has the advantages of ensuring the one-time usage of the barrel by adopting the structure for tearing and unwrapping the barrel, blocking the means of illegal manufacturers by recovering barrels for secondary use as counterfeit dear brands and protecting the advantages of dear-brand manufactures and vast consumers.