Laser alignment adjusting device

The utility model discloses a laser collimation adjusting device, which comprises a laser diode, a collimating lens, a light spot observation screen, a focus lens, an image acquisition module, a display and a mounting bottom plate, the laser diode, the collimating lens, the light spot observation screen, the focus lens and the image acquisition module are sequentially arranged on the same light path; the mounting bottom plate is provided with four mounting seats and is used for mounting the collimating lens, the light spot observation screen, the focus lens and the image acquisition module, sliding grooves are formed below the mounting seats of the light spot observation screen and the focus lens and are used for moving the light spot observation screen or the focus lens into or out of a light path, and switching of two function modes of near-field observation and far-field observation is achieved. The laser diode collimation device is simple in structure, can meet the collimation requirements in a near-field