An apparatus for automatically searching information includes an extraction unit extracting a packet data from a broadcasting signal; an input unit for inputting searching conditions from a user; a receiving unit receiving the searching conditions; a server connection unit connecting a computer to an Internet server under the searching conditions and receiving and transmitting data of an Internet site; an interpreter judging whether the data received and extracted by the server connection unit and the extraction unit meets the searching conditions; a memory storing a content of the Internet site, its address, and time point information of when the site was previously searched by the user in a file form; an output unit transmitting the time point information and the data of the Internet site to the memory; and a microprocessor controlling operations of each element, with which various information desired by a user is searched based on pre-set searching conditions, and desired information out of various information of an Internet site or additional data on a television channel are stored in a memory according to the searching result.