In fact, its discovery was linked to the construction of Dayuan Primary's school buildings. According to The History of Tayuan Township, an alert and well-educated young teacher by the name of Chang Liu-shui picked up a few nondescript pottery shards on the campus in 1943 and sent them to his former teacher, the well-known Japanese archaeologist Kokubu Naoichi, for analysis.
根據《大園鄉史》記載，1943 年（明治 13 年），年輕教師張流水在校內撿到幾塊不起眼的陶片。文化素養深厚、警覺性也高的張老師，將陶片送給他的老師──日本著名考古學者國分直一研究，「至此大園尖山遺址，始為考古者所識。」