位于吉林中部的梅河口市地处松花江一大支流——辉发河上源,是吉林省史前时期考古研究的一个重要区域。2009年第三次全国文物普查时,普查队曾在市境东北部一座营镇的大沙河流域发现过一些古代遗址,最近市文物管理所在复查中又采集到一些文物标本,并识别出相对单纯的新石器时代遗存三处,材料较为重要。三处遗址相距不远,分别占据了大沙河东岸的三个山头平岗,从北向南依次坐落在 Located in the central part of Jilin City, Meihekou City is located in the Songhua River, a major tributary of the Huifa River source, which is an important area of ​​prehistoric archeology in Jilin Province. When the third national cultural relic census was conducted in 2009, the Census team found some ancient sites in the Dasha River drainage basin in the northeast of the city. In the recent review of the management of the city’s cultural relics, a number of cultural relic specimens were collected and identified as relatively simple Neolithic remains three, the material is more important. Three sites are not far apart, respectively, occupy the east coast of Dasha three hill flat Kong, from north to south were located in