1. technical problem: online education needs digital tools such as computers and networks. If there are technical problems such as slow network and software failure, it may affect teaching.
2. Lack of interpersonal communication: Online education allows students and teachers to cross the time and space constraints, but without face-to-face interaction and communication, students may feel lonely and lack social interaction.
3. Lack of interaction and feedback: Online teaching may limit the interaction and feedback mechanism between students and teachers. It may be more difficult for students and teachers to communicate and understand each other's needs in time, and students may also lack timely feedback and suggestions in their studies.
4. Need high self-management ability: Online education requires students to have high self-management ability, including taking responsibility for self-monitoring and time management, which may be challenging for some students.
5. Difficulties in upgrading skills: In some fields, especially laboratory or studio courses that require physical entities, online education may not provide enough training opportunities, which reduces the practicality of learning new skills.
In short, the disadvantages of online education mainly include technical problems, insufficient interpersonal communication, lack of interaction and feedback, self-management of needs, and difficulty in upgrading skills.