GB/T 2423.58-2008 "Environmental testing of electrical and electronic products - Part 2-80: Test methods, test Fi: vibration blend mode", which stipulates the test method of vibration blend mode of electrical and electronic products. The standard specifies the test purpose, equipment requirements, test conditions and procedures, covering mixed vibration parameter setting, sample installation and result evaluation. By simulating various vibration composite working conditions, the performance Stability and structural Reliability of products in this complex vibration environment are tested, and the technical specifications are provided for mass evaluation of products.