(1) lawyers;
(2) a person recommended by a people's organization or the unit to which the criminal suspect or defendant belongs;
(3) guardians, relatives and friends of criminal suspects and defendants.
article 36 defense lawyers may provide legal assistance to criminal suspects during investigation; Acting as an agent to appeal and accuse; Apply for changing compulsory measures; Ask the investigation organ about the crimes and cases suspected by the criminal suspect, and put forward opinions.
Article 37 A defense lawyer may meet with a criminal suspect or defendant in custody and correspond with the criminal suspect or defendant. Other defenders, with the permission of the people's court or the people's procuratorate, may also meet and correspond with criminal suspects and defendants in custody.
if a defense lawyer requests to meet with a criminal suspect or defendant in custody with a lawyer's practice certificate, a certificate of law firm, a power of attorney and a legal aid letter, the detention center shall arrange the meeting in time, which shall not exceed 48 hours at the latest.