The Raman spectra and FT Infrared spectra of 3-sesquioxagermy l-N-(2-benzothiazolyl) propionamide(A) and 3-sesquioxagermyl-2-methyl-N-(2-benzothiazolyl) propionamide(B) are measured and discussed.The peaks of Raman spectra and FT-IR are identified according to the molecular vibration theory.The Ge-O stretching vibration modes are near 975 cm-1 both in compound A and compound B.The peaks at about 711 cm-1(A)和706 cm-1(B) can be assigned to the C—S stretching vibrational modes