目前发现的有关孤竹末代国君亚宪的青铜器铭文中的“宪”字,因其可能附有殷商古燕族民族图腾,故而孤竹至晚在商代末期时从属于殷商古燕族。另结合孤竹、殷商古燕族、西周燕国的疆域变化及相关文献记载,孤竹应在商末因古燕族的北上而北迁,在西周建立后不再作为古燕族的附庸,并于春秋时期因西周燕国的北上与之产生冲突而被灭亡。 At present, the word “constitution” found in the inscriptions of bronze inscriptions on the last monarchy of the solitary bamboo, because it may be attached to the ancient ethnic totem of the Shang dynasty, is therefore isolated from the late Shang dynasty to the Shang dynasty Yan family. In combination with the solitary bamboo, the Yin Shang ancient Yan clan, the Western Zhou Dynasty Yan Guo territory changes and related literature records, the solitary bamboo should be moved northward due to the ancient Yan clan in the late Shang Dynasty, no longer a vassal of the ancient Yan clan after the establishment of the Western Zhou Dynasty , And was perished in the Spring and Autumn Period due to the conflict with the northern part of the Yan State in the Western Zhou Dynasty.