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《屏风诗》和《屏风诗》组成的数据库。我从各种文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，我收集了utae（诗的图片）尽可能多。本资料库将有助于今后对屏风诗的研究。对于古近州时期，我收集了74个屏风，其中709首诗的细节我已经清楚，还有10个屏风，其中35首诗的细节我还不清楚。至于御千书时代，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，细节未知。至于水蜀时期，我收集了七幅屏风，共一百七十六首诗，其中的细节我已经清楚了，通过对这三个时期的考察，笔者发现了以下六个趋势：1.画屏上的诗大多是在国子监时期创作的; 2.五节监时期，每幅画屏上适合写诗的地方增多了; 3.诗人数量增多了每一个屏幕也增加了在Gosenshu时期。换句话说，屏风在这一时期发生了大规模的变化。4.屏风诗的数量在水舒时期急剧下降。5.水舒时期的屏风虽然数量不多，但相对较大。6.藤原道永参与了水舒时期的大部分屏风。他积极参与屏风诗的创作，并以自己的视角进行创作。

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.