Disclosed is a system for storing information searched on the Internet for a portable audio apparatus, including: a server agent for searching and mining relevant information from more than one site for providing arbitrary information on the wired or wireless Internet, by operating an information exploring robot agent according to searching condition and period set by a user and for extracting text information from mined information by performing a first filtering for the mined information according to searching condition; and a client agent for receiving text information extracted from the server agent, performing a second filtering according to searching condition set by a user, converting text information satisfying searching condition into voice information, and storing information by transmitting information to a portable audio apparatus. According to the system, without separately sparing a time in order to obtain desired digital contents such as an e-mail, information, news, a user could check desired information in form of voice data by getting the system to search and store digital contents in which a user is interested, by merely connecting a portable audio apparatus to the client agent.