What should criminal appeal defense lawyers do?

Legal analysis: criminal appeal defense lawyers can appeal to the people's court if the defendant refuses to accept the judgment of first instance and gets the consent of the defendant. The entrusted lawyer shall assist or write an appeal for the defendant. Actively collect new evidence, put forward new defense opinions, submit written opinions to the court of second instance, and strive for the court of second instance to hear the case.

Legal basis: Article 37 of the Criminal Procedure Law of People's Republic of China (PRC) stipulates that the defender's duty is to put forward materials and opinions on the innocence, light crime or mitigation or exemption of criminal responsibility of criminal suspects and defendants according to facts and laws, and to safeguard the litigation rights and other legitimate rights and interests of criminal suspects and defendants.