In case of violent crimes such as murder, robbery, trouble-making, or female prisoners should have more than two lawyers and paralegals present. Attention should be paid to not involving prison secrets, not affecting prisoners' mood, and not affecting prisoners' reform. Articles given to criminals should be approved by prison inspection.
Legal basis: Article 31 of the Lawyers Law of People's Republic of China (PRC), when a lawyer acts as a defender, he shall, according to facts and laws, put forward materials and opinions on acquittal, lighter punishment or reduction or exemption of criminal responsibility of criminal suspects and defendants, and safeguard the litigation rights and other legitimate rights and interests of criminal suspects and defendants.