If it is an ordinary public security detention, there is no need to look at it, and it will come out in a few days;
If it is criminal detention, it will be more troublesome. Under normal circumstances, it is necessary to hire a lawyer, who can bring the corresponding documents to meet; For some major crimes, the investigation organ restricts the interview, and lawyers may not be able to meet the detainees.
So I suggest you check with the public security organ first. . .