This is a prospective cross-sectional study of the knowledge, attitudes and preventive practices of populations in the Baco-Djicoroni health area. The cross-sectional study, involving 660 adults including 357 women and 303 men aged 18 and over, was carried out from June 2021 to November 2021. Its aim was to assess the knowledge, attitudes and practices of people in the Baco-Djicoroni health area regarding malaria prevention. The study covered residents of Sokoura, Hèrèmakono, Dougoukoro, Plateau, Golf and ACI. A questionnaire was administered to 110 people per sector for at least 6 months. Families were selected at random, and all were interviewed individually and separately to avoid influencing each other. As for the focus group interview guide, with the participants' permission, the interviews were recorded on a Dictaphone. Low-income living standards were most frequently mentioned in four areas, namely: Plateau; Sokoura; Dougoukoro; Hèrèmakono and middle income was most frequently mentioned in two sectors.