The ethno-botanical surveys carried out using the questionnaire sheets made it possible to inventory 17 medicinal species intended for the treatment of functional intestinal disorders and to collect as much information as possible concerning local traditional therapeutic uses in the region of Sidi Aissa. The leaves and seeds are the most used part, while the mode of preparation differs according to the plant but the decoction and the infusion remain the most widespread mode. These results can be considered as a source of information for scientific research in the field of phytochemistry and pharmacology.