“80后”作为第一代独生子女人群,因其自身的特殊性使其相互结合而成的婚姻具有鲜明的特点.而“闪离”则最为明显。为了应对“闪离”现象的出现,维护我国家庭、社会的稳定,本文建议在实行离婚制度的前提下,适时引入别居制度。文中对别居制度设立的必要性、设立的意义、如何设立、别居制度与离婚制度在实际运用上的关系等方面进行了论述,对我国别居制度的设立进行了阐述。 “After 80 ” as the first generation of one-child groups, because of its own uniqueness make it a marriage of marriage has a distinctive feature, and “Flash ” is the most obvious. In order to cope with the emergence of the “flash-off” phenomenon and safeguard the stability of our families and society, this paper suggests that the introduction of the caste system should be timely introduced under the premise of implementing the divorce system. The article discusses the necessity of establishing a non-domicile system, the meaning of its establishment, how to establish it, the relationship between the domicile system and the divorce system in the practical application and so on, and elaborates the establishment of the domicile system in our country.