Taobao Through Train is an advertising promotion tool under the Alibaba Group. It allows merchants to place advertisements on the Taobao platform to increase the exposure and sales of their products.

The advertising fee of Taobao Through Train is calculated based on the number of clicks. The cost of each click is set by the merchant, and the maximum is no more than 99 yuan. Therefore, if your Taobao Through Train click fee is 8 yuan, it may be the single click fee you set when setting up the advertising.

It should be noted that the advertising fee of Taobao Through Train is calculated based on the number of clicks, not the number of impressions. Therefore, if your ad is clicked multiple times, the fee you need to pay will increase accordingly.

If you have any questions about the advertising fee of Taobao Through Train, you can log in to the background of Taobao Through Train to view detailed cost records and reports to understand the specific situation of the advertising fee. At the same time, you can also adjust the advertising strategy and cost settings according to your own needs and budget to achieve better promotion results.