The main purpose of this study is to determine the views of preservice teachers of Information Technologies and investigate the effect of information pollution on internet use. Semi-structured interview and questionnaire methods were used in this mixed methods study. 12 preservice teachers participated in the interview part and 67 4th, 3rd and 2nd course students participated in the questionnaire on voluntary basis, from Computer Education and Instructional Technologies Department. As a result of the analysis of the data obtained, it was found out that the preservice teachers consider information pollution unnecessary, incorrect and out-of-date information found disorganized in an environment; the preservice teachers regard the most important factor causing information pollution on the internet is the fact that everybody can write about anything. Also preservice teachers denoted that the most important effect of internet information pollution is waste of time.