隨著網際網路的發展，醫療資訊標準第七層（HL7,Health Level Seven）也逐漸被各醫療院所應用在跨院的資料交換上。而轉診即為其中最好的一項應用，如能使用網路來完成轉診資料的交換，不但可以加快轉診的速度，也可以避免不必要的重複檢驗，進而減少醫療資源的浪費。
為提高轉診效率，乃於Internet的環境下實現一個電子轉診中心，利用HL7/XML（eXtensible Markup Language）標準將轉診相關資料轉成XML格式，透過XML跨平台的特性來完成轉診資料的交換，並將系統架設在 .NET平台上。
轉診作業系統係以門診病人為主要對象，當病人被醫生判定需要轉診後，則會將轉診相關資料轉換成XML文件的形式藉由網路送至電子轉診中心再送至欲轉入之醫院。此外，病人亦可透過支援WAP（Wireless Application Protocol）或GPRS（General Packet Radio Service）的行動電話至電子轉診中心取得自己的部分病歷資料以供醫生看診之參考，如此似乎可達到病歷帶著走的目標。
本研究希望此電子轉診中心之雛形能夠達到以下功能：（1）醫療資訊共享（2）改善轉診作業效率（3）節省醫療資源（4）落實醫療分級制度（5）病歷帶著走。

With the growth of the Internet, HL7(Health Level Seven) is used in data-exchanging between hospitals. The referral system is one of the best application. Exchanging referral data through internet can not only accelerate the speed of patient referral, but also avoid repeating unwanted examination to decrease the waste of medical resources.
In order to promote the referral efficiency, a web-based E-referral center is implemented in Internet. We apply HL7/XML standard to transform patient’s referral data into XML format for exchanging procedure. The system was constructed in Microsoft .NET platform.
The out-patients are the major served person in the referral operation system. When a patient needs to be referred, the system will transform the referral’s data into XML format and send it to the referral center as well as to a suitable hospital through internet. Meanwhile, the patient also can use WAP/GPRS mobile phone to get part of his own record from E-referral center for doctor’s reference. It seems to reach the goal for everyone who goes with his personal medical record.
In this research, the prototype of the referral center is expected to reach the following functions. (1) Sharing the medical information. (2) Improving referral efficiency. (3) Saving medical resource. (4) Practicing hierarchy medical-care system. (5) Go with one’s personal medical record.

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