The ASCA satellite made a quick followup observation of GRB 970828 and detected its fading X-ray afterglow at the position localized by the All-Sky Monitor on the Rossi XTE satellite. Because of the quickness, the afterglow was still rather bright ( ergs cm-2 s-1: 2-10 keV), and ASCA obtained the data of good quality. We found the spectral features of the absorption which implies a column density of cm-2 at , together with an emission line at keV. The line could be red shifted Fe K line. Hence, it suggests a relatively small red shift for this GRB.