300 cases of atrophic gastritis were typed into 3 groups according to TCM principle, viz. Qideficiency of the Spleen-Stomach, Yang-deficiency of the Spleen-Stomach and Yin-deficiency of the Spleen-Stomach. Biopsy specimens were examined pathologically and detection of Helicobactor pylori performed for comparism. Results showed that in the Yin-deficiency type, the severity of lesion in the gastric mucosa and its type of lesion, severity of atrophy of mucosal glands, infiltration of interstitial inflammatory cells were most serious, while for the detection of Helicobactor pylori, it made no difference among all the three types.