Report to the criminal police at the place where the missing person's household registration is located or report to the public security organ in the missing place. After accepting a case, the public security organ shall decide whether to file a case according to the reconnaissance situation. Whether in the local area or in other places, it is a principle to call the police nearby. Generally speaking, the time limit for reporting missing persons is 24 hours. But if you have evidence that the other party may be in danger of personal safety, or the other party may be infringed, you can report the case to the public security organ at any time. This is not limited by time.

What should I do if my relatives lose contact?

The specific situation and treatment methods are as follows:

1, relatives lost contact, first of all, we must analyze the reasons, find the most likely reasons, analyze the reasons and look for clues;

2. If the relatives are adults, it may be because they have been cheated by pyramid schemes, life pressure, depression and so on. You can find out where he might go and why he left, and follow his trail by inquiring about the websites he often logs in, and what Weibo and he left on qq space and other media. If a relative carries a mobile phone with him, according to the existing technical means of the police, it is completely possible to locate and determine the geographical position of the relative. If he is illegally detained or kidnapped or has an accident,

3. If relatives are minors, they may go to classmates or friends' homes to play, or they may be lost or illegally trafficked, then go to places that children like to go to, and go to classmates or friends' homes that children often go to. If he doesn't have a mobile phone and can't locate it, he can also find the last position before he lost contact, so that the person he contacted can easily solve the case;

4. If relatives are elderly people, there will be many lost cases. You can go to local rescue stations to find out, you may have been admitted to local rescue stations, or you can go to places frequented by the elderly, square dances and other places to find out;

5. Relatives detained by state-owned departments according to law, the public security department can generally inquire about the case-handling unit, and can learn about the types of detained relatives from the case-handling unit, except for cases handled by individual state security departments;

6. If the whereabouts of relatives are unknown for two years, they may apply to the people's court for a declaration of disappearance or death.

Legal basis: Article 110 of the Criminal Procedure Law of People's Republic of China (PRC). Any unit or individual who discovers criminal facts or suspects has the right and obligation to report to the public security organ, the people's procuratorate or the people's court. Victims have the right to report and accuse criminal facts or criminal suspects who infringe their personal and property rights to public security organs, people's procuratorates or people's courts. Public security organs, people's procuratorates or people's courts shall accept reports, complaints and reports. If it does not belong to its own jurisdiction, it shall be transferred to the competent authority for handling, and the informant, complainant and informant shall be notified; For those who are not under their jurisdiction and must take emergency measures, they should take emergency measures first and then transfer them to the competent department. Where a criminal surrenders himself to a public security organ, a people's procuratorate or a people's court, the provisions of the third paragraph shall apply.