1. Choose regular merchants and try to choose merchants with brand authorization, so as to ensure the quality and authenticity of goods.

2. Pay attention to whether the description and pictures of the goods are consistent with the real thing. If in doubt, please consult the merchant.

3. Pay attention to whether the price is reasonable or not, and don't be greedy for petty gain and neglect the quality of goods.

4. Pay attention to the return policy, so as to handle the return in time.