A method and device for content casting services using Wi-Fi communication are disclosed are provided. The device includes a first band communication module for communicating with external devices over a first frequency band and a second band communication module for communicating with external devices over a second frequency band. The method includes detecting occurrence of a cast request event indicating content delivery, selecting, upon detection of the cast request event, a first external device possessing the indicated content, receiving the content from the selected first external device through the first band communication module, and transmitting the received content to a second external device through the second band communication module.