Night university is a term used in the early days of reform and opening up, which mainly refers to attending classes at night or on weekends. It is a form of adult education, which requires taking the adult college entrance examination, and the learning form is amateur. Adult education includes three different forms of education: self-study, part-time or correspondence and distance education. Amateur or correspondence students need to take the adult college entrance examination. After graduation, students will be awarded graduation certificates from national adult higher education institutions, and bachelor's degrees will be awarded if they meet the requirements.