The Current Study Aims At Investigating The Effect of Blended Learning on Developing Skills of Using Google Applications For Computer Teachers At Prep Schools. Research Sample Included (30) Computer Teachers Who Were Chosen Randomly From Al Ga'hra' Educational Administrations In Kuwait .Research Implements Are Represented In A Test of Cognitive Aspect To Measure Skills Of Google Applications (Google Drive), A Card To Measure The Previous Skills Besides Holding Sessions To Practice Sharing Files And Photos Via Google Drive . After Applying Implements And Experiment of The Research, There Were Differences With Statistical Significance Between The Pre And Post Applications At The Favor Of The Post One In Both Grades of The Test And The Skill Card Of Cognitive Aspect of Google Application Skills (Google Drive).