Chen Chung-yu, a researcher at Academia Sinica's Institute of History and Philology who was the first to discover the "Chuping ruins" in the mountains of Nantou, says early human habitation in the Yushan area was very widespread and included to the north the upper reaches of the Chuoshui River, the Chunta and Laonung Rivers and to the southeast reaches of the Lakulaku River. These primitive people practiced both agriculture and hunting.
第一個發現南投高山「曲冰遺址」的中研院史語所研究員陳仲玉表示，玉山地區原始人類分布範圍十分廣泛，包括玉山北方的濁水溪上游、郡大溪、西南方的荖濃溪、東南方的拉庫拉庫溪流域等，生活形態已兼具農耕與狩獵。