The invention discloses an internet-based education consultation service system. The system comprises a user terminal, a server and a background terminal, wherein the user terminal is connected with the server; the server is connected with the background terminal; the user terminal comprises a user registration module; the user registration module comprises a name, gender, age, a job and contact information; the server comprises an online question-asking unit, an online answer unit and a database retrieval unit; and the background terminal comprises a keyword extraction unit, a service database, an internet connection unit, an online staff answer module and a data sorting unit. The system is simple and reasonable in structure design and convenient in operation; the consultation of people is facilitated; the interactivity between people is enhanced; and the retrieval efficiency is improved.