This study is a descriptive and analytical ethnobotanical approach that aims to contribute to the determination of the properties and phytotherapeutic effects (uses and treated diseases) of the inventory of ten medicinal plants found in Algeria. An ethnobotanical survey was carried out by a questionnaire on a population of 100 people using medicinal plants and 17 herbalists. It appears that people know the phytotherapy, the foliage constitutes the most used part of the plant, the majority of the remedies are prepared in the form of infusion. Of all the diseases treated, pain, respiratory problems, digestive disorders and dermatological problems represent the most common diseases.