Optical transmission channel filling method and system

The invention discloses an optical transmission channel filling method and system, and relates to the technical field of communication, and the method comprises the following steps: detecting a service channel, and obtaining the optical fiber type of the service channel and the current parameter of the channel; obtaining channel planning information according to a preset channel filling index, the optical fiber type of the service channel and the channel initial parameter; and obtaining channel filling configuration information according to the channel planning information, and filling the service channel according to the channel filling configuration information by using a preset channel filling unit. According to the invention, channel detection can be carried out, and automatic channel filling is carried out according to the detection condition and the preset channel filling index on the premise of ensuring that information transmission is not interrupted, so that smooth proceeding of optical transmission