To research how the people of Ain Temouchent employ aromatic and therapeutic plants in 2022-2023 in north-western Algeria, we interviewed 150 individuals, 95 (67%) of whom were women and 55 (37%) men, using a semi-structured questionnaire. Informants were randomly selected and no appointments were made. A list of sixty-six medicinal plants that are used to heal various ailments was created. There are 62 genera and 29 families among them. At 29%, the foliage was the portion of the plant that was used the most, followed by the fruit at 17%. The majority of treatments were employed to address digestive disorders. (31%), followed by respiratory diseases (24%) and genitourinary diseases (11%). Medicinal plants that the locals frequently use for food or medicine are Thymus vulgaris L., Mentha spicata L., Citrus limon (L) Burm.f., Eucalyptus globulus Labill and Lavandula stoechas L.