AliExpress requires buyers to clear customs means that after purchasing the goods, the buyer needs to handle the relevant procedures and payments for the import of the goods by himself. This includes submitting necessary documents to the customs, such as import licenses, commercial invoices, etc., and paying customs duties, value-added tax and other related fees.

Buyers need to ensure that the goods comply with the import regulations and standards of the destination country, and handle relevant procedures in accordance with relevant laws and regulations.

The purpose of customs clearance is to ensure that the goods enter the destination country legally and meet relevant quality and safety standards to protect consumer rights and national interests.