2002年9月至2003年1月,重庆市文化遗产研究院等对小田溪墓群进行了抢救性发掘。其中,M12规模较大,出土器物丰富。该墓为长方形竖穴土坑墓,墓底四周有熟土二层台,葬具为一棺一椁。出土器物有铜器、陶器、玉器、漆器等,以铜器为主,包括容器、乐器、兵器、车马器等。根据墓葬规模及出土器物判断,该墓年代应为秦代至西汉初年,墓主应是巴国王族后裔。该墓是历年来发现的巴文化墓葬中出土器物较为丰富的墓葬之一,为研究当时西南地区与中原的文化交流提供了重要资料。 From September 2002 to January 2003, Chongqing Municipality Cultural Relics Research Institute carried out a rescue excavation on the tombs of Oddi Tomb. Among them, M12 larger, unearthed utensils rich. The tomb is a rectangular earthen pit pit, tomb at the bottom of a layer of mature soil, burial a coffin. Unearthed objects are bronze, pottery, jade, lacquer, copper-based, including containers, musical instruments, weapons, such as horses. According to the size of the tombs and utensils unearthed, the tomb should be from the Qin Dynasty to the early years of the Western Han Dynasty, and the tomb owner should be descended from the kingdom of Pakistan. The tomb is one of the tombs unearthed in the Ba-cultural tombs discovered over the years and provides important information for the study of the cultural exchanges between the southwestern region and the Central Plains.