Outsourcing refers to the dynamic allocation of functions and services of enterprises themselves and other enterprises, and the use of external resources to serve the internal production and operation of enterprises.

Outsourcing mainly refers to the process that the outsourcing unit produces and provides products and services under the control of the organization and is accepted by the organization according to the raw materials, drawings, inspection procedures and acceptance criteria provided by the organization.

In ISO9000, outsourcing is directly controlled by the organization. Generally speaking, it is within the production scope of the organization to operate and serve according to the requirements of the organization, and it is accepted by the organization. Outsourcing is a form of outsourcing.