According to the relevant provisions of the Lawyers Law, in the stage of public security investigation, lawyers can go to the detention center to meet criminal suspects. If you are under criminal detention or arrest, only a lawyer can see you. According to the existing law, family members or friends can't meet criminal suspects, only when they attend court meetings. During this period, only lawyers are entrusted to enter the detention center to meet with criminal suspects or defendants. Lawyers can enter the detention center to learn the following information: whether your relatives and friends were tortured to extract confessions, whether they were bullied or abused by fellow prisoners, provide them with legal advice and help, learn about the crimes and cases involved, feedback the concerns and hopes of relatives and friends, and their situation inside, get bail on their behalf, appeal or accuse on their behalf, and so on.
Not everything can be sent in, but it is possible according to law; Buttons and the like cannot be sent; You can't send clothes and sweaters, but many things are controlled, such as food. If you just send something, you need to know from the local detention center. Leather shoes can't be sent out and so on.