If an AliExpress seller is sued and the deposit is deducted as a result, generally speaking, the deduction of the deposit is for punishment or as part of resolving disputes. If the seller disagrees with the decision to deduct the deposit, he or she can appeal according to the dispute resolution process of the AliExpress platform.

During the appeal process, the seller needs to provide relevant evidence to prove his or her innocence. If the platform finds that the seller's behavior does not violate the platform rules after review, the deposit may be partially or fully returned to the seller.

However, if the seller does violate the rules, such as selling counterfeit goods, infringement, fraud, etc., the platform may deduct the corresponding amount of the deposit according to the severity of the violation, and may even close the seller's account.

In general, if the seller is sued and the deposit is deducted, whether the deposit can be refunded needs to be determined based on the specific circumstances and the rules of the AliExpress platform. Sellers should actively provide evidence to appeal, and at the same time abide by the platform's rules to avoid similar disputes.