The improvement of students’ learning intentions plays a significant role in promoting college English blended teaching. Based on the unified theory of acceptance and use of technology, a research framework is constructed and the influencing factors on students’ learning intentions in college English blended teaching are analyzed through empirical research. The results indicate that performance expectancy, learning motivation, and facilitating conditions positively impact on learning intention, with facilitating conditions having the most significant influence. Learning intention also significantly affects learning behavior. However, effort expectancy and social influence do not have an important impact on learning intention. According to these findings, strategies such as optimizing hardware and software facilities, enhancing teachers’ professional abilities, and strengthening students’ learning motivation are proposed to propel the sustainable development of college English blended teaching.