Method for playing content and device for playing content

A playing embodiments device and method via the content of the reading prestores; the content comprising a download content related information, calling function according to the download content related information detection available bandwidth. , And the output end of the support according to bandwidth for detecting, wherein a request bandwidth, informationThe terminal meets the detecting the corresponding download content of; bandwidthAt least a download content with a content combined broadcast for saving a pre-formed. Configured with used for real-time automatic detection device for playing ring network current available bandwidth, method for dynamically switching download content the made of devices while realizing seamless, and further avoiding user selection the surface of the quality probably branches.