The invention discloses a distributed test method, a system and a test server, wherein, the test server comprises the following units: a communication management unit is used for realizing the communication connection between a test client end and the test server and between a test executing end and the test server, a test management unit is used for managing the implementation of a test task and visiting the information of a test entity needed by a test entity management unit to get the test task, wherein, the test entity comprises the test client end, the test executing end and a tested device, a test entity management unit is used for managing or monitoring the test entity and a safety monitoring unit is used for authenticating and approving the test client end, monitoring the test executing end to implement the test task and monitoring the operation of the test entity towards a test data base. The invention can solve the problem in the related technology that test procedure automated management in the distributed test system is not concentrated.