Network education is an important part of higher education information technologyIt will be very important to improve the quality of network education by rational evaluation of the ability of students who learn online, and then, both the teachers and the students can get effective feedbackIn order to evaluate learning ability of online students, this paper, by taking online teaching platform of the School of Network Education of Beijing University of Posts and Telecommunications as an example, firstly fully analyzes the elements of learning evaluationThen, through the use of appropriate data mining techniques, the students’ online data is analyzed and collected, based on which, this paper proposes online students learning evaluation model to evaluate the learning ability of students, and finally provides personalized learning guidance combined with the practical teaching