The rise of Tusi System brings three Tusi clans and Tusi manage the lands in Sani (the subgroup of Yi Ethnic Minority) area.

• “土司制度”的兴起，撒尼彝区分别属于三个土司管辖，土司所辖范围土地所有权属土司，农户分别向所属的土司交租纳贡。