According to Article 225 of the Criminal Law, the punishment for operating liquefied gas without a license is: "In violation of state regulations, anyone who commits one of the following illegal business operations and disrupts the market order, if the circumstances are serious, shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention, and shall be fined not less than one time but not more than five times the illegal income; If the circumstances are particularly serious, he shall be sentenced to fixed-term imprisonment of not less than five years, and shall be fined not less than one time but not more than five times for illegal gains or confiscation of property. " (a) operating a franchise or monopoly commodity or other commodities whose operation 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; (3) illegally engaging in securities, futures or insurance business without the approval of the relevant competent department of the state; (four) other illegal business activities that seriously disrupt the market order.