Syftet med denna litteratur studie var att undersöka om den preoperativa patient- informationen hade någon effekt på patientens oro, samt om den preoperativa informationen och oron hade någon inverkan på patientens postoperativa smärta.Metoden som användes var en litteraturstudie. Resultatet var baserat på tio vetenskapliga artiklar av kvantitativ design. Litteratur sökningen gjordes i databaserna PubMed, CINAHL och Cochrane Library Resultatet visade att patienter som fick sjukhusets rutininformation i kombination med specifik preoperativ information hade en statistisk signifikant lägre grad av oro under sjukhusvistelsen. Studien visade även att patienter som fick specifik preoperativ information hade signifikant lägre grad av postoperativ smärta. / The aim of this literature review was to investigate if the preoperative patient education had any effects on patients’ anxiety and if the preoperative information and anxiety had any impact on patients’ postoperative pain.The method used was a literature review where our results were based on ten scientific articles of quantitative design. Searchers were made in the databases PubMed, CINAHL, Cochrane Library.The results showed that patients who received routine hospital information in combination with specific preoperative education had a statistically significant less anxiety. Studies also showed that patient who received specific preoperative education had lower postoperative pain.