隨著機器人的功能增強，機器人能應用的領域越來越廣。然而，在各種機器人應用的領域之中，都希望讓使用者能夠信賴及喜好機器人，進而增加使用者使用機器人的意願，才能達到更好的效果。所以如果能讓使用者與機器人建立起長期關係，就能達到以上的目的。但是要讓使用者與機器人建立起長期關係，必須要能夠對於使用者的情緒與想法進行了解，才能讓機器人對使用者呈現正確的反應。而寫日記這項工作，就可以讓使用者有較高的意願來表達自己的情緒。但是要完成一篇日記，只是純粹用文字撰寫，一方面太過無趣，另一方面，大部分人所遇到的問題就是因為沒有寫日記的經驗，所以不知從何下筆。
所以本研究設計一個機器人輔助寫日記系統，主要功能是讓使用者和機器人進行互動，在機器人的引導之下完成一篇日記。而且在完成日記之後，還能讓使用者加入一些表演故事的元素，像是機器人動作、背景圖片、背景音樂等。讓使用者觀看日記內容時，有更多元化的呈現。最重要的就是能在互動完成日記的過程之中，藉由使用者與機器人的互動，建立起使用者與機器人之間的長期關係。
本研究所設計的系統找來了五位22~24歲使用者當我們的實驗對象，經過這五位使用者使用的結果顯示，使用本系統可以讓使用者對於機器人的信賴以及喜好程度有提升，還有對於機器人所提建議的同意程度也有所提升，也就表示使用者與機器人之間有建立起長期的關係。此外，也發現使用本系統之後，使用者寫日記的意願也是有所提升。

With the increment of capabilities of robots, the applications of robots become more and more. However, users are expected to trust and like robots to increase desires for using robots, and to come to the purpose of using robots. The above purposes will come true if we can make users build a long term relationship with the robot. But we have to find out the feelings of users to let the robot express right reactions to the users, if we want to make users build a long term relationship with the robot. We find that writing diary is able to make users have more desires to express their feelings. But the problems of writing diary are writing diary is a boring work and many people don’t know how to write a diary.
In this paper we develop a system of the programmable robot which can help users to complete a diary. The system can let users interact with the robot to complete a diary by the robot guiding, and users can design the presentation of the diary which make by users. The presentation includes three parts: actions of the robot, the graphs, and the music in the background. The most important thing is that users can build a long term relationship with the robot by the interactions during the process of completing the diary.
Finally, five users join our experiment. Their average age is 22~24 years old. We find something from a little of results. By using our system, the degree of trust and likeness of the robot increases, and the degree of agreement about the suggestions which brings by the robot increases, too. It means that users build a long term relationship with the robot. Further, we find users have more desires to write a diary after using our system.

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