Both Amazon and AliExpress have strict risk control measures, but in comparison, Amazon's risk control is stricter. Amazon has a variety of risk control mechanisms, including automatic review, manual review, brand authorization, etc., and also requires sellers to comply with platform rules and policies.

AliExpress also has certain risk control measures, but they are relatively loose in comparison. Sellers can open a store on AliExpress relatively easily, but they need to pay attention to the platform's rules and policies to avoid violations. In short, no matter which platform you sell on, you need to strictly abide by the platform's rules and policies, maintain a good reputation and legal business practices.