The invention discloses a method and device for business configuration, which are applied to an interdigitated unit connected with a network element management unit, wherein, the method comprises the steps that: the current business configuration is locked and the current business configuration information corresponding to the appointed business configuration in the current business configurationis obtained; identification is set for the appointed business configuration according to the business configuration information, wherein, under the situation that a plurality of pieces of business configuration information corresponding to the appointed business configuration exist, the identification of the appointed business configuration is set according to the posterior business configurationinformation in a plurality of pieces of the business configuration information and used for representing the processing method of the corresponding business configuration information; corresponding processing is carried out to the appointed business configuration according to the set identification. The invention simply and conveniently avoids the business short interruption, and reduces the costfor solving the business short interruption.