The patient portal is the most competitive area in current Internet Healthcare industry ，especially the one from the online inquiry platforms，after years of development，the competition pattern has been basically formed in he online inquiry platform. The several retained a large platform，respectively，possesses their core competitiveness. New entrants have to pay more attention to the more segmented market. At the same time the article also evaluates and analyzes the online inquiry platform’s functionality，present the current development through the concrete case.