For example, in the process of paper sending, which is better the paper document or the electronic document? That is the prominent problem in the course of network.

With the rapid development of electronic information technology, electronic document,which has the speedy and convenient features, is gradually replacing the paper documents.

With the advent of automation of office work and electronic government affairs,a large quantity of electronic documents and paper documents coexist.

The techniques applied in the system include the OCR technology,bar-sensor detection,transmission of the paper-certificate,serial port control,the optimization algorithm and the data-base design.

Using traditional polymer can protect and reinforce the paper historic relic.

Connecting with the work practice, this paper expounds the problems appearing easily in the paper literature protection under the environment of open service of university library, and advances some corresponding measures for solving these problems.

This paper expounds the factors causing the damage of ancient paper literatures,and probes into the damage of ancient paper literatures from natural damage.

This paper analyzes the advantages and disadvantages of paper literature and electronic literature under the network environment, points out that the electronic literature couldn t replace the paper literature completely, and proves the value of the existence of the paper literature in the future library.