Legal analysis: Individual industrial and commercial households can operate industries, handicrafts, construction, transportation, commerce, catering, service, repair and other industries within the scope permitted by national laws and policies. Industry and handicrafts refer to the exploitation of natural resources and the production, manufacturing and processing of commodities, the exploitation of minerals, and the repair of production equipment and tools; Construction industry refers to engaging in civil construction, equipment installation and architectural design, house repair, etc.; Transportation refers to the transportation of passengers and goods by road and water, loading and unloading, etc. Commerce refers to the purchase, sale, trafficking and storage of commodities; Catering industry refers to restaurants, restaurants, restaurants, cold drinks shops, pubs, teahouses, noodle shops, etc. Service industry refers to hairdressing, photography, bathing, dyeing, hotels, lettering, sports and entertainment, information dissemination, scientific and technological exchanges, consulting services, etc.; Repair industry refers to the repair of watches, bicycles, sewing machines, radios, televisions, black and white iron and other miscellaneous products; Other industries refer to other industries that individual industrial and commercial households are allowed to operate by national laws and policies.

legal basis: article 12 of the company law of the people's Republic of China, the business scope of the company is stipulated in the articles of association and registered according to law. A company may amend its articles of association and change its business scope, but it shall register the change. Items within the company's business scope that are subject to approval according to laws and administrative regulations shall be approved according to law.

article 12 of the regulations on the registration and administration of business scope of enterprises (hereinafter referred to as branches) shall not exceed the business scope of their affiliated enterprises. Where a branch engages in a licensed business project within the business scope of its affiliated enterprise, it shall be reported to the examination and approval authority for approval. Except as otherwise provided by laws, administrative regulations and the State Council. Where the examination and approval authority separately approves the branch's licensed business projects, the enterprise may apply for an increase in the corresponding business scope on the basis of the approval documents and certificates of the branch's licensed business projects, but the words "(branch operation)" shall be marked after the application for an increase in the business scope.