Laser frequency stabilization module

The invention provides a laser frequency stabilization module which comprises a frequency stabilization module box, an optical fiber path and an optical fiber path, the input end of the optical fiber path is connected with laser to be subjected to frequency stabilization, the first output end of the optical fiber path is connected with the first input end of the optical fiber path, and the second output end of the optical fiber path is connected with the second input end of the optical fiber path. The output end of the optical fiber path is connected with the photoelectric detection assembly, and the photoelectric detection assembly outputs a detection signal; the polarization maintaining optical fiber beam splitter, the optical fiber electro-optical modulator, the first optical fiber collimator, the half-wave plate assembly, the cylindrical rubidium Rb87 atomic gas chamber, the polarization splitting prism, the second optical fiber collimator and the photoelectric detection assembly are sequentially arranged