Micro-electro-hydraulic servo (silent) universal testing machine; the entire test operation process is completely controlled by a computer, which increases the accuracy of the test results. At the same time, the testing machine adopts a noiseless design concept, providing a relatively quiet working environment for testers. This equipment uses a microcomputer-controlled full-digital broadband electro-hydraulic digital valve to drive a precision hydraulic cylinder, and automatically controls the test force, displacement, and deformation in multiple modes to complete the tensile, compression, and bending tests of the specimen, meeting national standard requirements. The test mainframe adopts a lower-mounted hydraulic cylinder. The power and transmission device for adjusting the test space are installed at the bottom of the testing machine, ensuring smooth transmission. The upper and lower jaw seats have a fully open structure, with an automatic hydraulic clamping system, which is convenient for clamping tests and has good stability. It uses a branded industrial-grade tablet computer (which increases the service life. The computer touch screen has no keyboard or mouse, making the operation more convenient and fast). It can complete the setting of test parameters, control of the test process, data collection, processing, analysis, storage, and display during the test process (test data includes strength, elastic modulus, elongation, yield strength, etc.). The control and measurement are precise and accurate.