The door is an important part of the aircraft structure. The door test is an important means to verify that the door design meets the requirements of reliability, safety and airworthiness. There are design verification tests and certification tests for doors of civil airplane. Based on the experience and lessons of civil airplane doors’ development, the paper summarizes the necessary test items and contents during the civil airplane doors’ developing process and the purpose , significance and necessity of each test, proposes the design of test benches and the simplified designing principle of test-pieces, and gives the methods and steps of the tests.