Abstract: A method for searching for a knowledge owner in a network community is executed in conjunction with a network platform database of a network platform, and includes the following steps: (A) extracting at least one keyword from a question submitted by an asker X; (B) using the at least one keyword as a topic, searching the network platform database for network users Y1˜Yn who have participated in discussions on the topic; (C) analyzing discussion histories of the network users Y1˜Yn on the network platform and finding at least one index value for each of the network users Y1˜Yn according to the discussion histories; and (D) according to the index values, selecting at least one knowledge owner associated with the topic from the network users Y1˜Yn and recommending the at least one knowledge owner to the asker X. A system for executing the method is also disclosed.