1. Go to the Taobao website and enter the kind of bread you want to buy in the search box, such as "whole wheat bread".

2. In the search results page, find the brand and model of bread you need to buy, and click to enter the product details page.

3. On the product details page, you can find the shelf life information of bread. Generally speaking, the shelf life information will be indicated in the product description. You can read the product description carefully to find the shelf life information. If the shelf life is not indicated in the product description, you can contact the seller for consultation.