骨石複合器，是骨器與細石器製作，加上鑲嵌，三種高度發達的技術結合的碩果， 也是獨具歐亞草原、高原古文化特色的重要適物，更是一種漁獵、游牧經濟型態 的生計指標；其主要分布於中國北方、西伯利亞、北歐，以及近東地區，中國境 內則自東北、北方、西北地區，包括整個所謂「塞外」，成新月形的弧帶狀分布。 考古資料顯示，自舊石器時代晚期之末，此類複合器即已開始製作，然真正 發展成熟仍在新石器時代晚期：（約西元前六０００∼二０００年）當時大體已經 發展出四種功能型器，即骨梗石刃饑鎗、骨梗石刃矛（鏃）、骨體石刃匕首、骨體 石刃刀；前二種主要作為漁獵、狩獵的工具，後二者，則大致是作為狩獵、畜牧 的工具（處理獸肉），然同時亦有不少製作精緻者，作為隨葬器；各類器形的發展， 一來因應各地區生計的要求，二來受制於各文化骨器、細石器的製作傳統，呈現 出明顯的區域性、時代性風格：而東北與西北地區骨體石刃器的發展顯見風格上 的差異。

　　　　　The flint-inlaid bone artifact was produced under the conditions of highly mature Mesolithic bone and stone industries, with an inlay technique. This sort of artifact was an important type of remain with the cultural characteristics of the Steppes and highlands in ancient Eurasia, also revealing a living barometer of the forms for hunting and nomadic economies. The geographical distribution of the artifact was mainly in Northern China, Siberia, Northern Europe, and the Near East. As to Northern China, more specifically, it covered the Northeast, North, and Northwest areas, which is the so-called "Sai wai" (literally "frontier beyond") with a distribution area forming a crescent-shape. Archaeological materials show that, from the end of the late Paleolithic period on, this sort of assembled artifact had begun to be manufactured, though the technique had not matured until the late Neolithic period (ca. 6000-2000 B.C.). By this period, there appeared at least four functional types of such artifacts; bone barb [harpoon] with flint blade, bone arrowhead with flint blade, bone dagger with flint blade, and bone knife with flint blade. The first two were tools used for fishing and hunting, the latter two probably for hunting and pasturing (cutting hide and meat); some of those of exquisite quality might have been for funerals. These typological developments were caused by the necessity of facing various livelihoods and by the restriction of traditional methods of producing bone and stone artifacts in different cultures. These typologies clearly a variety of express regional and period features. Such developments might be seen as stylistic variations among the bone artifacts with inlaid flint blades in the Northeast and Northwest areas.