With the expansion of distance education,it has become an urgent issue to set up a convenient and effective aid-answer system based on network education.

This paper points out some existing questions in instruction and answering question for assistants at university,and discusses primarily their generated reasons.

Research and design of the intelligential question-answering system based on Agent technology;

Question-answering system can answer the question described in natural language by using some technologies of natural language processing, information retrieval etc.

On query answering question with Z language;

A query answering spec must prove the rigor of a specification after he has written it.

Design and Realization of Intelligent Answering System Based On ASP and MSSQL Sever;

The Research and Realization of Real-time Answering System;

The article introduces the design and realization of an intelligent answering system, which adopts ASP and MS SQL Server technoique, and discusses the security of ASP program.