Legal analysis: It is illegal to store lubricating oil in residential buildings. Lubricating oil should be stored in the designated warehouse. If a large number of them are stored and processed privately, the fire department should identify whether there are potential safety hazards. In addition, if the parties carry out processing activities in the community, they may be identified as illegal business. The crime of illegal business operation refers to illegal business operation, which involves operating franchised, monopolized or other restricted goods without permission, buying and selling import and export licenses, import and export certificates of origin, business licenses or other approval documents stipulated by laws and administrative regulations, engaging in other illegal business activities, disrupting market order and having serious circumstances.

Legal basis: Article 255 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 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;

(three) without the approval of the relevant competent departments of the state, illegally engaged in securities, futures, insurance business, or illegally engaged in fund payment and settlement business;

(four) other illegal business activities that seriously disrupt the market order.