Legal analysis: cohabitation of college students belongs to moral category. The law of unmarried cohabitation is not guaranteed, and both parties have no legal responsibility and obligation. In other words, without the support of the law, it will not be punished by the law. However, college students are not allowed to live with their spouses, which may be suspected of bigamy.

Legal basis: Article 1042 of the Civil Code of People's Republic of China (PRC) prohibits arranging, buying and selling marriages and other acts that interfere with the freedom of marriage. It is forbidden to ask for property through marriage. Bigamy is prohibited. Spouses are prohibited from living together with others. Domestic violence is prohibited. Abuse and abandonment between family members are prohibited.