2005年，吉林省文物考古研究所、长春市文物保护研究所联合对长春市双阳区五家子遗址进行了抢救性考古发掘，揭露了5座房址、3个灰坑、2条灰沟，并出土一批石器和陶器。石器制法为磨制或打磨结合，兼有琢制，典型器物有石斧、穿孔石刀等。陶器烧制火候比较低。从出土遗物特征判断，其应属西团山文化范畴。“,”In 2005, a rescuing execwation was done by Jilin oproincial Institute of Archaeology, and Changchun Municipal Institute of Archaeology. 5 house foundations, 3 ash pits, and 2 ash ditches were found, some stones and potteries were unearthed. The typical stones include stone axe, knife with a punched hole. Most of the potteries were made with clay pieces or rings in a lower heating temperature. Some smaller one was moulded with finger. The site should be of the Xituanshan Culture according to those relics found here.