Lugu Lake is satisfied Japanese banks of the living, a unique marriage, the unique customs, the families of owners are women, their family members by blood, are matrilineal descent.

• 泸沽湖畔居住的纳日人，婚姻独特，风俗独特，家家之主，皆为女性，其家庭成员血缘，均为母系血统。