The 974nm semiconductor laser module of locking wavelength is good pump source of EDSFS. The 974nm semiconductor chip is locked by the FBG, it has the advantages of high output power and stable wavelength. This paper describes the design and fabrication of 974nm semiconductor chip and module. The 974nm semiconductor laser module can lock wavelength in the full temperature range, output power 123mw, central wavelength 974±1nm, 3dB spectral width 0.20nm, wavelength temperature coefficient 0.006nm/℃,meet the application requirements of EDSFS.