Introduction: Propensity scoring is a powerful tool to strengthen causal inferences drawn from observational studies of different areas. A propensity score is used to choose treatment and control groups with simila baseline characteristics. A Propensity score is defined as the probability of the subject being assigned to the treatment group, given set of baseline characteristics. Objectives: To review the impact analysis of interventions using Propensity Score analysis. Methods: literature review in methodology was used. The review was conducted using reliable healthcare internet database namely; Google scholar, hinari and PubMed central. Eleven scientific articles were scrutinized to obtain results for the review. Result: The results of this review showed that a total of twenty four articles and books were reviewed and almost all of the reviewed articles and books were used Propensity Score analysis methods clarifying the notes and for their analysis of different titles of researches in different parts of the world. Conclusion: This review of assessed and reviewed, Propensity matching is a powerful tool for observational data analyses because it facilitates the comparison of outcomes between similar groups of patients and has impacts on the interventions.