The peak bidding period for AliExpress Express refers to the time period of the day when the number of ad clicks is the highest and the competition is the most intense, usually between 10 am and 8 pm. During this time period, advertisers will compete to place ads, so the bids will increase accordingly. If you want to get better display effects during this time period, you need to adjust the bidding strategy in time according to the competition situation, pay attention to the advertising effect, and continuously optimize the advertising promotion.