Objective: To investigate the rule of medication used by Miao medicine to inhibit gastric cancer. Methods: Taking the coil named Miao Medicine of Chinese Materia Medica as data source, formulating "drug name"+"gastric cancer" or "drug name"+"stomach tumor" as the key words to search papers in China Knowledge Network, Weipu Chinese database, Wanfang database to gather drugs that have the effect of inhibiting gastric cancer, this paper made statistical analysis from the views of Wu Xing, Zou Guan, Ru Jia, Efficacy and Toxicity. Results: There are 81 kinds of drugs that suppress stomach cancer eligible for inclusion. And the Soil Xing medicines are the mainstay in the Wu Xing classification, accounted for 70.4%;the distribution of Zou Guan drugs are dominated by Middle and Interior Guan drugs which accounted for 87.7%;Every kinds of Jia group was involved in the distribution of Jiu Jia groups, but the Body Jia, abdomen Jia, Lung Jia and Cave Jia have the most frequent occurrences accounted for 66.9%;the efficacy distribution mainly includes antidote and tonification accounted for 71.6%;the toxicity distribution mostly is non-toxic drugs which is up to 70 kinds. Conclusion: Treating poison and tonifying body are mainly used in the treatment of gastric cancer in Miao medicine, with Middle and Interior Guan medicine, most of which are non-toxic drugs effective in disease location.