在中国正史中有关音乐史料的记载主要是《雅乐》，在历代统治阶段的《雅乐》中几乎都蕴含着极其浓厚的神秘主义色彩尤其以宋代的《雅乐》特别突出。本文从宋代音乐史料撷取有关史料，论述了《雅乐》应用的场合及内容，乐律制度，乐器制造和表演形式。 In the history of China, the historical records about music are mainly “Ya Le”. Almost all of the “Ya Le” in the dynastic reign contains extremely strong mysticism, especially in the “elegant music” of the Song Dynasty. This article captures the relevant historical materials from the historical music of Song Dynasty, discusses the application and content of “Ya Le”, the system of musical instruments, the manufacture of musical instruments and the forms of performances.