近年來個人數位助理和行動電話越來越普及,功能也越強大,讓使用者可以直接在這些裝置上處理各類資訊,而為了方便使用者能將這些資訊和辦公室或家中桌上型電腦內的資訊達到一致性,廠商們各自開發了同步程式,也因此造成不同裝置無法透過同一個同步程式達到資料一致性的缺失。為了彌補這個缺失,本論文以SyncML為基礎,提出一個同步伺服器系統的架構,來實作一個可讓不同平台的個人數位助理進行同步動作的同步伺服器。 Recently, applications on mobile devices and communication devices have attracted an increasing attention in the area of mobile computing. As mobile devices are helpful in various areas, such as GPS and Videoconference. Many researchers have started to work on the issue of synchronization. However, there is no single program that synchronizes data among computers and handheld devices across different platforms. As an attempt towards solving this problem, we propose, in this paper, an architecture of synchronization server based on SyncML, which synchronize data using a single server with handheld devices across different platforms.