Objective In this article, the mode change and features of knowledge service of TCM professional library in the creation times were expounded. Knowledge service is the main trend of library service in the 21 century. As a professional TCM library, we have made attempts on providing omnibearing knowledge service of medicine, scientific research, teaching and clinical practice for our readers.

The article analyzed the values and the characteristics of the journals published in the Republic of China.Based on practical works,we discussed the several issues and the resolving methods in literature description during the process of making a database.

The article introduces the character and the electronic resource of Library of China Academy of Chinese Medical Sciences's collection,mainly expatiates how to develop the knowledge service from three aspects:electronic resources serve evidence-based medicine,the frontier of traditional Chinese medicine and the knowledge of TCM found and utilization.

Based on the Chinese knowledge network,Wanfang Database,VIP database,Baidu,Google,we collected and sorted papers published by professor Liu Changlin over the past years,and made a statistical analysis with the use of bibliometric methods to summarize outcomes of professor Liu Changlin in the research of Chinese medicine philosophy.This article demonstrated a high academic value and status of professor Liu Changlin and to provide useful information for the further study of Chinese medicine philosophy.

Big Data is a new conception after scholars have proposed the conception of Web2.0 and cloud computing.This paper focuses on traditional Chinese medical researchers in order to meet the challenges of big data era.It is suggested that TCM scientific researchers should establish the idea of lifelong learning,and emphasize information literacy,in order to grasp for the latest medical researching information to make effective contributions to research innovation and human health.

This paper discussed in detail on constructing periodical database by backtracking in terms of investigation and technique preparation before database construction.concrete carrying out plan of constructing and solving methods of difficulties during the construction,and database maintenance after tIle construction.

The article analyzed the phenomenon of changing names of Chinese medical journal in recent years,together with the influence of this changing,and put forward some relative management measures.

It is an important safeguard to realize TCM renovation,raise medical levels and fulfill TCM modernization by elevating information diathesis of TCM personnel.This paper introduced the contents of information diathesis,discussed the current situation of TCM person information diathesis and the importance of elevating their information diathesis.By different kinds of training,how to raise the information awareness,information acquisition ability and information morality of TCM information personnel were further expounded.

The ancient books on traditional Chinese medicine are mainly covered in the comprehensive bibliogra-phies and special bibliographies of traditional Chinese medicine in the past ages.Their classification was thus de-scribed in the Seven-Classification System, Four-Classification System, Twelve-Classification System,Bibliogra-phy of medical collection and General Bibliography of ancient books on traditional Chinese medicine, followed by an analysis of the classification systems of ancient books on traditional Chinese medicine in the past ages and their evo-lution, which helps to search the medical literature from the vast ancient books according to their classification.

Object Under the premise of protecting periodicals published in Republic of China, these periodicals were processed with digitalization for the purpose of being utilized in a easy way. Methods Oracle 9i database software was used to establish database table structure. Periodicals published in Republic of China were selected, periodicals pictures were processed and the literature subjects were indexed before databases retrieval system of these periodicals was made and published. Results A full text data base retrieval system containing 20 kinds of periodicals published in Republic of China was established, to provide both retrieval from multi-angles and picture browsing of the full text. Conclusion Digitalization technique is a way of reproducible protection and utilization of periodicals published in Republic of China.