What can a lawyer do after being arrested and what is his role?

First, what can lawyers do after being arrested and what is their role? After arrest, lawyers can provide defense for defenders, and their functions are: (1) providing legal services and representing complaints and accusations; (two) to apply for bail or residential surveillance; (3) After meeting with the criminal suspect's lawyer and accepting the entrustment, get in touch with the investigation organ, learn from the investigation organ about the charges charged by the criminal suspect, and put forward specific requirements for meeting the criminal suspect in time. Since the criminal suspect is interrogated for the first time by the investigation organ or compulsory measures are taken, the entrusted lawyer has the right to meet the criminal suspect and defendant with the lawyer's practice certificate, law firm certificate, power of attorney or legal aid letter to learn about the relevant case. (4) If the detention period expires and the arrest is not approved or the compulsory measures are changed, they may request the cancellation or change of the compulsory measures, and may obtain bail pending trial or monitor their residence. (5) If the arrest period expires and he is transferred to the procuratorial organ or changes the compulsory measures, he may request the cancellation of the compulsory measures or change the compulsory measures, and may obtain bail pending trial or be placed under residential surveillance. Second, is there state compensation for being wrongly arrested? Criminal compensation refers to the compensation given by public security organs, state security organs, procuratorial organs, judicial organs, prison management organs and their staff who illegally exercise their functions and powers and infringe on the personal rights and property rights of the parties. The State Compensation Law makes specific provisions on criminal compensation, which is of great significance for further promoting the public security organs, state security organs, procuratorial organs, judicial organs and prison management organs to exercise their functions and powers according to law. The scope of criminal compensation includes: (1) those who have been wrongly detained, arrested or convicted in criminal proceedings; Extorting a confession by torture, illegally using weapons, police equipment, beating or other acts of violence, causing bodily harm to citizens; (2) Illegal seizure, seizure, freezing, recovery and other measures, resulting in property losses. The acquittal after arrest belongs to the above situation (1), and you can get state compensation. After being arrested, the parties concerned or their relatives may hire a defense lawyer for them. Defense lawyers can help the parties to apply for bail pending trial or residential surveillance. If the parties do not have the conditions to hire a defense lawyer, the court will also appoint an aid lawyer for them. Defense lawyers can effectively help clients to reduce punishment with their own knowledge, but they need full cooperation.