The invention relates to a static and dynamic acceleration tester, comprising a computer, a motion controller, a static acceleration generator, a dynamic acceleration generator, and a portable braking-ability testing instrument, wherein, the static acceleration generator mainly comprises a stepping motor, a photoelectric encoder, and an angular platform; the dynamic acceleration generator mainly comprises a servomotor and a rotation platform. The invention has the advantages of static and dynamic testing method, convenient installation, simple and quick testing process, high degree of automation, and ability of satisfying measuring precision requirement of related national standard, and calculating, memorizing, inquiring and printing the test result.