What are the challenges faced by Taobao?

The challenge that Taobao faces is that there are still many shopping platforms, such as many shopping platforms, one shopping mall, one shopping mall and so on. The appearance of these websites has been given to Taobao and Liu. Secondly, the quality of some products in Taobao is still not good, and some products in Jinmei are still very poor. It can be said to be uneven. One more thing is to overcome it. Because he didn't solve the problem to some extent.