1, perform the complaint function.
In criminal proceedings, lawyers are entrusted by private prosecutors in private prosecution cases, or by victims of public prosecution cases and their close relatives to participate in litigation activities, all of which perform the function of accusation and ask the people's court to investigate the criminal responsibility of the defendant. But lawyers are not prosecutors, but only provide legal help to "clients". Clients entrust lawyers to represent them in litigation according to law, but their litigation rights and democratic rights are different from the state's right of public prosecution.
2. It has the significance of fighting crime.
As the litigation agent of the private prosecutor, he represents the litigation rights of the private prosecutor, exposes and proves the crime, and requests the people's court to punish the defendant; As the agent of the victim in a public prosecution case, he exercises the victim's litigation rights, participates in court investigations and court debates, exposes and proves the crime to the public prosecutor, and demands that the defendant be punished.
3. Lawyers' criminal agency is limited by the litigation rights and authorization of the parties.
The rights of the private prosecutor and the victim in the lawsuit are stipulated by law, and their authorization to the entrusted agent cannot exceed this scope. Of course, all the rights they enjoy according to law can be authorized to the agent, or they can be partially authorized to the agent, but the victim statement as evidence cannot be entrusted to the agent.
4, lawyers in criminal agency, according to the authorization of the client to carry out litigation activities, the legal consequences shall be borne by the client.
The fundamental task of lawyer's criminal agency is to ensure the correct implementation of the law and safeguard the legitimate rights and interests of the client.