It is illegal to sell civil masks without obtaining relevant licenses, which may be seriously suspected of illegal business operations. If you sell fake masks, it may also constitute the crime of selling fake and inferior products. The crime of illegal business operation refers to the crime of violating the provisions of the state and committing one of the following illegal business operations: (1) without permission, operating exclusively or exclusively commodities or other commodities whose operation is restricted by laws and administrative regulations; (2) buying and selling import and export licenses, import and export certificates of origin and other business licenses or approval documents stipulated by laws and administrative regulations; (three) without the approval of the relevant competent departments of the state, illegally engaged in securities, futures, insurance business or illegally engaged in fund settlement business; (four) engaged in other illegal business activities, disrupting the market order, and the circumstances are serious. The crime of selling fake and inferior products refers to the seller's behavior of doping and adulterating products, filling fake products with real ones, and passing unqualified products off as qualified products, with a sales amount of more than 50 thousand yuan.

Legal objectivity:

Article 225 of the Criminal Law of People's Republic of China (PRC), in violation of state regulations, commits one of the following illegal business operations, disrupting market order, and if the circumstances are serious, shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention, and shall also, or shall only, be fined not less than one time but not more than five times the illegal income; If the circumstances are especially serious, he shall be sentenced to fixed-term imprisonment of not less than five years, and shall also be fined not less than one time but not more than five times his illegal income or his property shall be confiscated: (1) dealing in franchise, monopoly goods or other commodities whose business is restricted by laws and administrative regulations without permission; (2) buying and selling import and export licenses, import and export certificates of origin and other business licenses or approval documents stipulated by laws and administrative regulations.