The invention provides a parallel automatic test system for satellite multi-data-transmission-channel indexes. The parallel automatic test system comprises a parallel test scheduling computer, a testmanagement and control computer, a link box and test resources. The parallel test scheduling computer completes generation of a parallel testing sequence according to a principle of total time minimization based on a testing task and testing resource situations. The test management and control computer is used for parsing the parallel testing sequence, generating a parallel testing instruction queue, and completing control and allocation of the link box and the test resources according to a time beat of the instruction sequence. A switch matrix is set inside the link box and the link box is used for completing link switching between all data transmission channels and the test resources. The test resources are a joint name of all testing devices and are used for completing specific indicator testing. Therefore, parallel and automated testing of multiple data-transmission-channel indexes can be completed by one set of test resources; the test resources are saved; and test time is shortened effectively.