In this report, an ultrafast laser was used to produce persistent change of valence states of Mn ions in sodium borate glasses. Glass composition of sodium borate in this study was 85B 2 O 3 –15Na 2 O. We observed a broad emission at 600nm of the transition 4 T 1 – 6 A 1 of doped Mn 2+ ions with excitation at 325nm in an unirradiated area. Femtosecond laser irradiation produced additional strong blue emission at 440nm and reduced the emission intensity from Mn 2+ ions. The irradiation produced the absorption band of Mn 3+ at 550nm, resulting in color change of the glass. The blue band was measured as a function of irradiation exposure for samples with various concentrations of Mn ions. The valence state change of Mn 2+ to Mn 3+ was suppressed in Mn and Cr codoped glasses.