In the layered navigation of the magento category page, you can use the existing attributes in the magento background for filtering.
First, go to the backgroundCatalog> Manage categories> [click a category]> display settings
Select "yes" for the "is anchor" option in the magento background"
Refresh the cache of the magento background. In the default shop by of the foreground category, magento background filters out the existing attributes.
How to control which magento attribute is used for filtering?
Go to the magento background
Catalog> attributes> Manage attributes
Click the attribute to be added to layered navigation to go To the attribute editing page,
In the frontend Properties column, select the use in Layered navigation option filterable. Refresh magento cache after saving the settings.
Http://magentoinfo.blog.163.com/blog/static/215636160201301601621930/
Is anchor magento
