1. Cohabitation before February 1, 1994
In this case, the parties are in a de facto marriage and need to dissolve the marriage by agreement or divorce proceedings.
The cohabitation period is after February 1, 1994
In this case, the parties only belong to the cohabitation relationship, does not belong to the actual marriage relationship, and is not protected by China's marriage law, so the parties can separate themselves, do not need to take any legal approach, can also apply for a reissued marriage certificate, and then divorce.