In 1992, Taiwan's archaeological community named the Chienshan prehistoric site the only significant archaeological site in Taoyuan. They also recommended that it be provisionally named a heritage site and preserved, but were ignored.
即便於民國 81 年，大園尖山遺址曾被台灣考古學界選為桃園縣境內唯一重要考古遺址，並建議列入暫定古蹟予以保護，但仍然不受重視。