1976年底至次年初,云南省博物馆、保山地区文物管理所和保山市博物馆组成联合发掘队,正式发掘保山市蒲缥乡塘子沟旧石器时代遗址,从而揭示出一种颇具特色的地方文化,并以其丰富的文化内涵,成为引入注目的云南继元谋人遗址文化之后建立的第二个旧石器时代文化。 From the end of 1976 to the beginning of next year, a joint excavation team was formed by Yunnan Provincial Museum, Baoshan District Cultural Relics Management Office and Baoshan Museum to formally excavate the site of Tangzigou Paleolithic in Pucheng Township, Baoshan, thus revealing a distinctive local culture, With its rich cultural connotation, it becomes the second Paleolithic culture established after the introduction of the Yunnan Yuanmou Man Cultural Relics.