In the rescue room of the detention center, family members can send clothes, daily necessities, books and special medicines. The police at the detention center window check to make sure there is no contraband, which will naturally be handed over to the detainees. The so-called contraband, including paper, metal and so on. Drugs must be unopened, and you can't write in the book. Fruit is absolutely not allowed. If cash is credited to the target's large account, the detention center can buy fruit. Of course, the variety is relatively single.