Abstract: This paper reports on a quantitative study on ICT readiness among undergraduate students in Thailand, students’ beliefs about use of e-portfolios in the Blended Learning Environment (BLE), and students’ beliefs about using e-portfolios to enhance their cognitive skills in the BLE. The sample group comprised 360 undergraduate students, divided by study fields. The data collection tool was a questionnaire of students’ beliefs. The reliability value of the questionnaire was 0.889. Data was analyzed using statistical analysis and f-test. The beliefs and needs were ranked by PNI modified. The research found that every student had a computer connected to the Internet. The analysis results of students’ beliefs about the use of e-portfolios in the BLE were positive and the top five results were: (1) learning by creating work, (2) enhancing creativity, (3) enhancing the problem solving skill, (4) enhancing critical thinking, and (5) enhancing authentic assessment. The current state of using e-portfolios to enhance cognitive skills in the BLE was at average level, while the needs were at the high level.