Vaccination is and remains the only means by which viruses can be combated; we therefore conducted a study on the knowledge, attitudes and practices of pregnant women on vaccination at the Monseigneur Malunga health center from January 1 to December 1, 2020,We conducted a prospective cross-sectional descriptive study with probability sampling, an exhaustive sample structured on 45 pregnant women, the questionnaire and the interview were our data collection techniques.After investigations, we arrived at the results according to which the majority of pregnant women do not know the vaccine and its importance, when it comes to practice, the habit and the constraint would be at the base of the consumption of the said vaccine.