1, uneven quality: Taobao, as an open platform, allows all kinds of sellers to enter and sell products. Therefore, the quality, content and teaching level of online courses may be very different. Some sellers may not have a professional teaching team or high-quality educational resources, and the quality of the courses provided is difficult to guarantee.

2. Fraud risk: There is a certain fraud risk due to the endless stream of fake shops and sellers on Taobao. Some unscrupulous sellers may attract consumers to buy through false propaganda and exaggerated interests. However, the content of online courses actually provided may be inconsistent with the publicity, or even provide no substantive teaching content at all.

3. Lack of effective supervision: Taobao platform has relatively weak supervision over the qualifications and teaching quality of online course sellers, and it is difficult to conduct a comprehensive review and control of sellers. This makes some low-quality online courses circulate on the platform, and it is difficult for consumers to judge the true quality and reliability of the courses.

4. Poor learning experience: Online courses purchased on Taobao may lack perfect learning support and interactive communication platform. Compared with the formal online education platform, the learning experience of these online courses may be poor, and they cannot provide good functions such as course management, learning progress tracking and question answering, which has a certain impact on the learning effect.