The main activity in education is teaching and learning activities where teachers learning to teach and students learn. One effort to improve the quality of education in Vocational High Schools is curriculum development and the development of learning models. The teacher in the learning process is a facilitator where the teachers master the learning model that is appropriate to the group conditions and the nature of the teaching method. Learning models that can be used by teachers is Problem-Based Blended Learning. The purpose of this research is to find out blended learning based on learning issues on computers and basic networks. This research is using experimental method. The population in this study were all students of group X SMK Negeri 1 Kasreman. The sample of this study was group X TKJ 1 and group X TKJ 2. Data collection techniques in this study were observation, questionnaires and tests. Data analysis techniques are normality test, homogeneity test, and hypothesis test (t-test) of student learning outcomes. The results show that Problem-Based Blended Learning has a significant effect on student learning outcomes and can be applied in computer and basic network learning.