In pursue of curing IBS, constipation, chronic enteritis, diarrhea and the early onset of senile disease and solving the statement of antibiotics abusage, the research specialists staff cost 10 years and produce Clostridium butyricum praeparatum, live (A Tai Ning, Bao Le An) and Bacillus coagulans praeparatum, live ( Shuang Shu Bao ) independently. Now our enterprise has 15 Chinese patents and 4 American patents. Its products include A Tai Ning, Bao Le An which can treat diseases caused by alteration of intestinal flora such as acute and chronic diarrhea, and Shuang Shu Bao which can treat many kinds of digestion illness, and related chronic or acute diarrhea, chronic constipation, abdominal distension and indigestion caused by the disorder of intestinal flora. They are all microecological drug without toxicity and side effect, and could be kept in the ordinary temperature.