Constructing a data base of byobu-uta and byobu-shi as the basis of the research, and elucidating several properties of byobu-uta in the Heian period.

我制作了一个由平安中期的《画屏诗》和《画屏诗》组成的数据库。我从各种选集和日记中收集了它们，并按照一定的标准进行了整理。此外，我还尽可能多地收集了utae(画上的诗)。至于九州时期，我收集了74幅屏风，709首诗，我有清晰的细节，10幅屏风，35首诗，细节不详。至于五味书时期，我收集了41个屏幕，684首诗，我有明确的细节，39个屏幕，254首诗，细节不详。至于水书时期，我收集了7幅屏风，其中有176首诗，我有清晰的细节；37幅屏风，106首诗的细节尚不清楚。通过对这三个时期的调查，我发现了以下6个趋势：1.彩屏上的诗大多创作于九州时期。2.适合一屏诗的地方在九仙书时期增加了。3.五仙树时期，每屏诗人的数量也增加了。也就是说，这一时期的屏风发生了大规模的变化。4.彩屏上的一些诗歌在水书时期出现了急剧下降。5.水书时期的屏风相对较大，但数量较少。6.水书时期的大部分屏风都涉及藤原而不是水原。他在用自己的视角在彩绘屏幕上写诗方面发挥了积极的作用。

I made a data base consisting of byobu-uta(poems on a painted screen) and byobu-shi(Chinese poems on a painted screen) in the middle period of Heian. I collected them from a variety of anthologies and diaries, and arranged them according to a certain standard. Also, I collected utae(poems on a picture) as much as possible. This data base will contribute to the study of poems on a painted screen in the future.As for the Kokinshu period, I collected 74 screens with 709 poems whose clear details I have, and 10 screens with 35 poems whose details are unknown. As for the Gosenshu period, I collected 41 screens with 684 poems whose clear details I have, and 39 screens with 254 poems whose details are unknown. As for the Shuishu period, I collected 7 screens with 176 poems whose clear details I have, and 37 screens with 106 poems whose details are unknown.I found the following 6 tendencies through the survey on the three periods.1.Most poems on painted screens were composed in the Kokinshu period.2.A number of places suitable for poems per one screen increased in the Gosenshu period.3.A number of poets per one screen also increased in the Gosenshu period. In other words, screens changed on a large scale around this period.4.A number of poems on a painted screen showed a sharp drop in the Shuishu period.5.Screens in the Shuishu period were relatively huge, although they are few in number.6.Fujiwara no Michinaga was involved in most screens in the Shuishu period. He played an active part in composing poems on a painted screen with his own perspective.