The utility model provides a device for generating can regulate and control super rayleigh speckle field, including a continuous wave laser, computer I and computer II, be equipped with adjustable sharp optical attenuator in proper order in continuous wave laser light beam direction of advance, pinhole filter, lens, polarizer I and beam splitter, in the light beam direction of advance of two other differences of beam splitter, be equipped with reflective spatial light modulator in one of them light beam direction of advance, be equipped with analyser I in another light beam direction of advance, diaphragm I, polarizer II, transmission -type spatial light modulator, analyser II, diaphragm II, fourier's lens, the CCD camera, wherein, reflective spatial light modulator and CCD camera link to each other with computer I, transmission -type spatial light modulator links to each other with computer II. This device can produce required super rayleigh speckle field under the condition that does not change the light path to has succinct, the advantage that can dynamic online regulation and control of principle.