迭剌部是契丹王朝早期重要部族之一。有关“迭剌部”的契丹文解读学术界向有争议。本文从表“部”的契丹小字入手,结合新发现契丹文墓志,为“迭剌”的契丹小字构拟音值,并对其涵义提出拙见。 Diego assassination of the Khitan dynasty is one of the important tribal early. The Khitan literary interpretation of the “Diego Sutra” is controversial. This paper starts from the Khitan memo of the table “Department ” and combines with the newly discovered Khitan Manuscripts to construct the tone value for the Khitan small characters of “Diego Sutra ” and gives a humble opinion on its meaning.