社会的转型给彝族传统家庭带来前所未有的影响。本文以余丁坝村为个案,将家庭结构的变迁纳入社会变迁的视野考察,通过对家庭规模和家庭类型的变迁分析,认为农村现代家庭规模正在缩小,未来的农村家庭结构以核心家庭类型为主,主干家庭的比例会下降,联合家庭的比例减少。 The social transformation has brought unprecedented impact on the traditional Yi family. Taking Yudingba Village as an example, this paper takes the change of family structure into the field of social change. By analyzing the changes of family size and family type, the author thinks that the scale of modern families in rural areas is shrinking. The future family structure of rural areas is dominated by core family types , The proportion of backbone families will decline, and the proportion of joint families will decrease.