The business scope is the commodity category, variety and service items that are permitted by the state to produce and manage the enterprise. It reflects the content and the direction of production and business activities of the enterprise. It is the core content of the business scope of the enterprise. "General rules of civil law" provides that the “ the enterprise legal person shall be engaged in the business scope of the approved and registered business scope. ” this is a legal provision for the scope of business activities. Business scope approved by the registration, the enterprise has the right to be in this range, the enterprise shall not be beyond the scope of the obligations of the business, once beyond, not only without legal protection, but also to be punished. The approved business scope of the enterprise is the legal boundary between the legal operation and illegal operation of the enterprise.。