俄罗斯藏Дx08644残叶载于《俄藏敦煌文献》第14册，图版仅2个半叶。经日本学者岩本笃志亲见，实际为正背抄写，共存4个半叶的内容，且4个半叶的内容相续，其最有可能的装帧形制是粘叶装。本文通过对敦煌医学文献中非卷轴装写本的系统考察，从装帧形制等推测，Дx08644的抄写时间上限为晚唐时期；下限不明，甚至可能为西夏时期。Дx08644所载内容为《平脉略例》，该书仅见于敦煌文献，共8个相关写本，抄写时代最早的是唐高宗时期，最晚的可能即Дx08644，可见该书在敦煌流传范围广、时间跨度大。
Дx08644，a fragment of Ping Mai-lueli collected in Russia，published on Dunhuang Manuscripts in Russean Collections 14，only have 2 pages. But according to Iwamoto Takashi's research，there are 4 pages in fact. By systematical review of the binding styles of Dunhuang medical Documents，the created period of Дx08644 was from the later Tang dynasty to the Xixia dynasty. Дx08644 records a part of Ping Mai-lueli，which has only been observed in Dunhuang medical documents. There are 8 manuscripts of Ping Mai-lueli， the earliest edition time is the emperor Gaozong period and the latest edition is the Дx08644，suggesting the great spreading speed and the influence power in Dunhuang area.
