Diarrhoea is an unpleasant digestive disorder that nearly everyone experiences at one time or another. Antibiotic therapy is failed because of resistant character developed by microorganism and side effect created by them. Due to this, much attention has paid to herbal medicines."Terminalia chebula "is the one of the ayurvedic plant, which is called "kings of medicines". It can cure most of the diseases like digestive tract problems, urinary disease, diabetics, skin infection, heart disease, etc. In this work, we have isolated diarrhoeal pathogens and screened the activity of Terminalia chebula (fruit) for anti-bacterial activity against E.coli, Enterobacter, shigella. Also screened phytochemical parameters of the tested plants.